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| EnGage | | Thor |  |  | | Reg. Date | : | 14/07/2009 | | Posts | : | 3,155 | | Location | : | Grand Rapids, MI, United States |
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| | Posted : 20 Apr 2011 - 16:14 Post title : How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. | | | The Tbird has a pre-wired Accessory Light harness in the headlight housing. Here is a picture from another member:
The Orange on Blue wire is operated by the Accessory Light Switch on the handle bars AND runs through the starter relay so the Accessory lights will not be on unless the bike is switched on.
The purple wire is meant to power the Accessory Lights and runs through Fuse #8 (the Accessory Light Fuse).
The Black wire is the ground.
Note: If you have ABS, then fuse #8 powers the ABS and I believe fuse #6 is used, but the service manual is inconsistent here.
Here is the lighting circuit from the Service Manual (Note: P=Purple, UO=Orange on Blue, B=Black):
Given this:
The Orange on Blue (UO) wire is used to switch the relay on and off.
The Purple Wire is the main power wire that flows through the relay to the Accessory Lights when the relay is switched on.
The grounds from the relay and lights are connected to the Black wire.
Here is the wiring diagram from my Motolights that shows how the wires are connected. Note, I cut off the switch provided by the motolights and spliced the UO wire directly to the relay trigger wire since it runs off the handlebar Accessory Light Switch. I also cut off the motolight fuse since the purple already wire runs through a fuse designed for Accessory Lights.
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 20 Apr 2011 - 17:12 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | That purple wire is HOT all the time.I was gonna use it for my voltmeter connection until I discovered that.So I gotta look else wheres. Any suggestions??? Dave!!!,
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| feduke | | Thor | |  | | Reg. Date | : | 11/08/2009 | | Posts | : | 2,441 | | Location | : | Daytona Beach, Florida, United States |
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| | Posted : 20 Apr 2011 - 17:30 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | |
Dave, I'm wired through the blue/orange wire and can light up my motolights any time. I think there may be a misconception, or I misunderstood your post.
| I'm a secondhand vegetarian. Cows eat grass. I eat cows.
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| EnGage | | Thor | | | | Reg. Date | : | 14/07/2009 | | Posts | : | 3,155 | | Location | : | Grand Rapids, MI, United States |
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| | Posted : 20 Apr 2011 - 18:11 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | | davetac1 wrote:
That purple wire is HOT all the time.I was gonna use it for my voltmeter connection until I discovered that.So I gotta look else wheres. Any suggestions??? Dave!!!, |
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Dave - the purple wire is suppose to be hot all the time because it is meant to be used with the Orange/blue wire in conjunction with a relay. When the Purple wire is used as the power input to the relay and the Orange/Blue is used to switch the relay on/off, then the relay will not send power to the lights without seeing power from the Orange/Blue and the orange/blue is connected to the starter relay so it won't be hot unless the key is turned on.
Look at the motolight wiring diagram above.
feduke wrote:
Dave, I'm wired through the blue/orange wire and can light up my motolights any time. I think there may be a misconception, or I misunderstood your post. |
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That's the other way to do it. If you use the Orange on Blue wire without a relay, it will still work off the switch because that wire goles through the switch. There are two differences:
1) the full power for the accessory lights is going through the switch. If the wire is large enough to handle 70 to 100 watts, then it should be OK.
2) You are going through the headlight fuse, not the accessory fuse. If you blow that fuse at night, you will loose the headlight and the accessory lights, but since you haven't blown the fuse, it must be enough.
| | Post edited by EnGage on 20 Apr 2011 - 18:17 |
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| feduke | | Thor | | | | Reg. Date | : | 11/08/2009 | | Posts | : | 2,441 | | Location | : | Daytona Beach, Florida, United States |
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| | Posted : 20 Apr 2011 - 19:45 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Thanks EnGage, I appreciate the explanation. All I know about electricity Is I don't like the monthly bill!
| I'm a secondhand vegetarian. Cows eat grass. I eat cows.
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| Kurgenator | | Set | |  | | Reg. Date | : | 23/05/2011 | | Posts | : | 8 | | Location | : | Gloucester, United Kingdom |
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| | Posted : 23 May 2011 - 16:20 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Hi, I'm new here (excuses over). Looking for some advice. 
Just looking at the photo at the top of this page and thought i might be able to wire my Zumo 660 in the same way - Red > Blue/Orange (Switched power) + Black > Black (earth). Am I right in thinking this is OK or am I about to blow my GPS up. Or should I use the Purple wire for power? Normally wouldn't be this nervous but it cost alot of dosh!
Cheers in advance for any takers  
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| feduke | | Thor | | | | Reg. Date | : | 11/08/2009 | | Posts | : | 2,441 | | Location | : | Daytona Beach, Florida, United States |
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| | Posted : 23 May 2011 - 19:14 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Kurgenator) | | | I'd go to any wire in the headlight that is keyed to the ignition switch. You don't want to leave it on by accident but, when the power is shut down the GPS gives you the option to either shut down or continue on its' own battery power.
Welcome aboard. There's a wealth of knowledge and experience here.
| I'm a secondhand vegetarian. Cows eat grass. I eat cows.
| | Post edited by feduke on 23 May 2011 - 19:15 |
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| EnGage | | Thor | | | | Reg. Date | : | 14/07/2009 | | Posts | : | 3,155 | | Location | : | Grand Rapids, MI, United States |
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| | Posted : 23 May 2011 - 20:11 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Kurgenator) | | |
Kurgenator wrote:
Hi, I'm new here (excuses over). Looking for some advice.
Just looking at the photo at the top of this page and thought i might be able to wire my Zumo 660 in the same way - Red > Blue/Orange (Switched power) + Black > Black (earth). Am I right in thinking this is OK or am I about to blow my GPS up. Or should I use the Purple wire for power? Normally wouldn't be this nervous but it cost alot of dosh!
Cheers in advance for any takers |
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If you use the Blue/Orange for power you'll be pulling power through the switch, but since a GPS doesn't draw a lot of power, I suspect you'll be fine. I believe Feduke is running his accessory lights that way, which I'm sure draw a lot more power.
using the purple wire is fine, but it is not switched, so you'll need to remember to unplug you GPS after you ride.
Alternatively, you could pick up a 12V relay and wire it as shown in the diagram.
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| feduke | | Thor | | | | Reg. Date | : | 11/08/2009 | | Posts | : | 2,441 | | Location | : | Daytona Beach, Florida, United States |
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| | Posted : 23 May 2011 - 20:54 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | You're right EnGage. I'm on the blue/orange wire and have had no problems in almost 2 years. And, BTW, the MotoLite factory guy here tells me their wiring harness has a built in relay.
| I'm a secondhand vegetarian. Cows eat grass. I eat cows.
| | Post edited by feduke on 23 May 2011 - 20:55 |
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| zolti | | Thor | |  | | Reg. Date | : | 23/03/2010 | | Posts | : | 3,127 | | Location | : | newcastle , United Kingdom |
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| | Posted : 23 May 2011 - 21:38 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Kurgenator) | | |
Kurgenator wrote:
Hi, I'm new here (excuses over). Looking for some advice.
Just looking at the photo at the top of this page and thought i might be able to wire my Zumo 660 in the same way - Red > Blue/Orange (Switched power) + Black > Black (earth). Am I right in thinking this is OK or am I about to blow my GPS up. Or should I use the Purple wire for power? Normally wouldn't be this nervous but it cost alot of dosh!
Cheers in advance for any takers |
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if you look at the first image on this thread the right hand side has been cropped off. there is a switched live running to the parking light, you could use that one for the feed to the satnav. comes from fuse 3
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| feduke | | Thor | | | | Reg. Date | : | 11/08/2009 | | Posts | : | 2,441 | | Location | : | Daytona Beach, Florida, United States |
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| | Posted : 24 May 2011 - 01:48 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: zolti) | | | Yep, that should work nicely too. I'm sure it won't blow up. It's really pretty simple.
| I'm a secondhand vegetarian. Cows eat grass. I eat cows.
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| Kurgenator | | Set | | | | Reg. Date | : | 23/05/2011 | | Posts | : | 8 | | Location | : | Gloucester, United Kingdom |
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| | Posted : 24 May 2011 - 11:38 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Thanks guys. I'm impressed.  I'll let you know how it goes.
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| EnGage | | Thor | | | | Reg. Date | : | 14/07/2009 | | Posts | : | 3,155 | | Location | : | Grand Rapids, MI, United States |
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| | Posted : 24 May 2011 - 12:58 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: zolti) | | |
zolti wrote:
if you look at the first image on this thread the right hand side has been cropped off. there is a switched live running to the parking light, you could use that one for the feed to the satnav. comes from fuse 3 |
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For this application, this sounds like the better way to go
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| Kurgenator | | Set | | | | Reg. Date | : | 23/05/2011 | | Posts | : | 8 | | Location | : | Gloucester, United Kingdom |
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| | Posted : 24 May 2011 - 14:29 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Ok, all done and tested. Just came back from a short ride, everything works as it should. I've wired it into the Parking light (Yellow wire). The Zumo detects the ignition switch On/Off.... all good. Thx again.
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| zolti | | Thor | | | | Reg. Date | : | 23/03/2010 | | Posts | : | 3,127 | | Location | : | newcastle , United Kingdom |
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| | Posted : 24 May 2011 - 20:43 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Kurgenator) | |
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| mat1600 | | Thunderbird | |  | | Reg. Date | : | 06/03/2010 | | Posts | : | 8,596 | | Location | : | Bridlington, Democratic Independant State of Yorkshire, United Kingdom |
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| | Posted : 24 May 2011 - 20:48 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: zolti) | | | sorted.
| My first natural instinct is to breathe. My second is to evade tax's.
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 01 Jun 2011 - 04:08 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: mat1600) | | | In another post I was reading,it was mentioned that there is another aux wiring plug under the side cover and it is unused.I asked for confirmation on this plug from the author of that post and was told that it does exist.So my question is,does anyone have a picture of this plug??And just how many amps can it handle??Thanks. Dave!!!
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| MIG | | Set | |  | | Reg. Date | : | 10/02/2011 | | Posts | : | 31 | | Location | : | United States |
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| | Posted : 02 Jun 2011 - 14:49 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | | Could this Auxiliary light harness be used to power a GPS unit?
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 02 Jun 2011 - 17:09 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: MIG) | | | I was thinkin along the lines of a radio which basically uses the same voltage as a GPS. Dave!!!
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| Fordster | | Set | |  | | Reg. Date | : | 16/10/2009 | | Posts | : | 365 | | Location | : | Calgary, Alberta, Canada |
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| | Posted : 02 Jun 2011 - 17:18 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | | There is a plug under the RH side cover that's for the optional factory alarm system. Is that the plug you're thinking of?
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 03 Jun 2011 - 02:24 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Fordster) | | | I don't know.I had that cover off when I was lookin for the fuse to the passin light switch for the lights I installed awhile back.But I don't remember seeing any extra plugs under there.To be frank with ya,I've had so many other things goin on that I haven't really looked.I just thought if someone had a picture,it would be easier to find.But if it's there,I'll find it.I've been busy finding locations for the radio,the speakers,and the amplifier.Well I finally got all that figured out.Now it's just a matter of where I'm gonna tie in for power.I'm lookin for a plug that's only hot on ignition.There is another wire in the factory passin lamp connector plug in the head light housing,but it's hot all the time which is NOT what I want,and I believe it's part of the factory alarm system wiring. I'll find it.That's the only thing that's holding me up.But I WILL figure it out.lol Thank you for your input. Dave!!!
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| zolti | | Thor | | | | Reg. Date | : | 23/03/2010 | | Posts | : | 3,127 | | Location | : | newcastle , United Kingdom |
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| | Posted : 04 Jun 2011 - 07:25 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | |
davetac1 wrote:
In another post I was reading,it was mentioned that there is another aux wiring plug under the side cover and it is unused.I asked for confirmation on this plug from the author of that post and was told that it does exist.So my question is,does anyone have a picture of this plug??And just how many amps can it handle??Thanks. Dave!!! |
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look for the blue tape after taking the rh side side cover off, top right near the seat front. its a black t connector.
its the feed for triumphs din power socket that fits behind the ignition switch.
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| lioneloxford | | Set | |  | | Reg. Date | : | 01/04/2011 | | Posts | : | 231 | | Location | : | Oxfordshire, United Kingdom |
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| | Posted : 05 Jun 2011 - 10:36 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: zolti) | | |
zolti wrote:
davetac1 wrote:
In another post I was reading,it was mentioned that there is another aux wiring plug under the side cover and it is unused.I asked for confirmation on this plug from the author of that post and was told that it does exist.So my question is,does anyone have a picture of this plug??And just how many amps can it handle??Thanks. Dave!!! |
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look for the blue tape after taking the rh side side cover off, top right near the seat front. its a black t connector.
its the feed for triumphs din power socket that fits behind the ignition switch. |
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I was looking at that yesterday for my Gipro, it's not switched, permanent live.
Mine is filled with white grease, near another larger socket with jumper leads in it and sealed in a clear clingfilm type cover.
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 06 Jun 2011 - 03:46 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: lioneloxford) | | | Ya I saw that plug yesterday while I had the cover off.It's a two wire plug,a purple wire [hot all the time]and a black wire [ground].So it's not what I want.My SM claims that the SE Model [which is what I have] has another auxiliary plug for accessories and or the optional hand grip warmers, somewheres around that area and is only hot off ignition.I'll have to remove the seat to get a better look at that area. Thanks guys. Dave!!!
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| davetac1 | | Thunderbird | | | Reg. Date | : | 06/09/2010 | | Posts | : | 8,379 | | Location | : | Haverhill, Ma., United States |
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| | Posted : 18 Jun 2011 - 23:39 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: davetac1) | | | To make a long story short,I used that black connector plug with the purple [hot all the time] and black[ground] wires.I simply installed an on/off switch.As long as the circuit is fused or protected,it'll work.I just have to remember to shut it off after I'm done using it.Dave!!!
| | Post edited by davetac1 on 18 Jun 2011 - 23:40 |
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| Draeger | | Set | |  | | Reg. Date | : | 28/08/2011 | | Posts | : | 63 | | Location | : | Comox, British Columbia, Canada |
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| | Posted : 17 Sep 2011 - 06:55 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Just wanted to say these pics and diagrams were excellent.
Tonight I came home to find a courier had dropped off a box... containing my Motolights. I cracked it open and there they were! All nicely bedded in blue foam, black powdercoated and glorious.
I took the wife's laptop to the garage, opened up this page, and got to work.
Two hours later, I have new motolights on my Tbird. They are awesome. The hardest part was actually messing with the lights themselves. Tip: If you end up accidentally pulling the silicone stopper out of the light, a bit of spit gets it to slide back in much easier!
Just so you know ... I'm a complete electrical ignoramus. I couldn't tell you the difference between a relay and a capacitor if my life depended on it.
To complete the installation I only used: 1) the picture (very helpful) and 2) the annotated motolight diagram. The only thing I changed was keeping the fuse in place ... I figured it couldn't hurt, and there was plenty of room for everything in the headlight housing.
I bought the 50 Watt Halogen package. If a fuse was ever going to blow, it was going to be with my setup. All the others Motolight sell are less wattage. But ... no problems whatsoever wiring right up to the headlight. I rode for an hour in the dark this evening, flicking all the lights on and off, using the main high beam, trying my best to overload the system... not even close.
To install my motolights I did chop out a bunch of wiring and shorten everything up a bit - the wiring harness is quite long. Most bikes need to run everything back to the battery under the seat and to the fuse box. Not with the Tbird. You can install aux lights right from the headlight housing. Good electric wire strippers and a package of heat-shrink tubing and I was able to get the harness small enough to fit right into the headlight.
It wired up perfectly to my aux light switch, and my first ride tonight in the dark was sooooo much better! Great lights!
Thanks a million for the post,
Draeger
| If there is lead in the air, there's still hope.
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| EnGage | | Thor | | | | Reg. Date | : | 14/07/2009 | | Posts | : | 3,155 | | Location | : | Grand Rapids, MI, United States |
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| | Posted : 17 Sep 2011 - 14:54 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Draeger) | | | Happy the install went well and welcome to the site Draeger.
I wouldn't worry about overloading the system. The Aux switch wiring is designed to run auxiliary lights and I also have run the 50 watt bulbs for over a year.
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| Truss | | Set | |  | | Reg. Date | : | 17/10/2009 | | Posts | : | 146 | | Location | : | Canada |
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| | Posted : 19 Sep 2011 - 00:19 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: EnGage) | | | Thanks EnGage for the description. I'm looking for some ideas.......I wired some LED bullet afterburner lights to the aux light switch just as you described. I mounted them up tested them out and at first they worked great. However, after a few hours of use each light has failed. I've had 2 sets of replacements and all of them have failed the exact same way. The high beam wire going directly to the bulb burns out, disconnects and I have no idea why. They always work for a number of hours and then they fail. The lights fail at different times too. I think I've done a good job with my connections but I'm completely stumped. Would a short cause this? Nothing else electical on the bike fails when the lights die either. I am absolutely a beginner when it comes to wiring but I have been careful to make good connections etc. I wired a GPS and some other led lights and they work fine.
The driving lights only draw 6 watts each but I noticed that they have extremely small wires.....could that be a problem. Any electrical experts out there have any ideas?
Thanks guys!
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| Linkdog | | Thor | |  | | Reg. Date | : | 10/02/2011 | | Posts | : | 2,952 | | Location | : | Groveland, FL., United States |
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| | Posted : 19 Sep 2011 - 03:28 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. (Re: Truss) | | | I'm not sure but it sounds like you have too much current going through to small of a wire.
| Never drink from a cow with one udder! 2010 1600 Blue&White ( of course ) Long TORS and HP filter.
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| jbstinson | | Set | |  | | Reg. Date | : | 13/11/2011 | | Posts | : | 35 | | Location | : | United States |
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| | Posted : 01 Dec 2011 - 01:42 Post title : Re: How To Wire Accessory (Auxiliary) lights to the Accessory Light Switch. | | | Can someone repost the pictures on how to do this? 
Guess the migration had a few hickups. But I still think they did a good job. 
| jbstinson
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