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86 Transam turn signal stop & back up problem


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sixpack_sid
New User

Feb 6, 2008, 6:51 AM

Post #1 of 2 (2474 views)
86 Transam turn signal stop & back up problem Sign In

Where is the multifunction switch??? Could that be the problem??
I have an '86 Transam and I'm having a lighting problem. I don't know if this is a coincidence or not, but I changed the alternator a couple days ago and when I hooked the battery back up it sparked. I didn't realize that the pos wire that hooks to alt was touching the alt core & it sparked. When I drove into work someone told me my brake light was out. On further investigation, when I turn on the lights & running lights, they all work. But when I hit the brakes the whole pass side running & brake lights go out. It appears the back up lights come on-but dim. When I have the running lights & lights off, the brake lights work fine. When I opened the lenses up & put new bulbs in & tried them, on pass side both of wires in bulb itself lit when the parking lights were on. When I stepped on the brakes, they all go out on pass side & both driver & pass back up lights go on. I'm pretty sure it didn't do this before.
Thanks for the help!


Double J
Veteran / Moderator
Double J profile image

Feb 7, 2008, 1:14 PM

Post #2 of 2 (2463 views)
Re: 86 Transam turn signal stop & back up problem Sign In

On an 86 model,its called the turn signal switch...turns signals and hazard light switches...

Its inside the steering column......

You can access the wiring connector at the base of the steering column under the drivers side dash....
disconnect it and plug in a new one to see if the problem is fixed before removing and installing the new switch...
which ,if you've never done one can be a pain....special tool is required to depress a plate once the steering wheel is removed to remove a lock ring....






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