For questions about the wiring of a car(apparatus that connects electrical circuits).

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3
votes
1answer
312 views

How can I identify which wire should hook to my headlight switch in my Mazda Protoge (91)?

The headlight switch in my dash is not connected to anything (I noticed this after the headlights quit working!), so I took the dash panel off in an attempt to find the plug. The only plug I could ...
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vote
5answers
3k views

Horn / hooter works when car is off, not when car is on?

I have a (South African) Opel (Chev? Vauxhall?) Corsa bakkie (ute?). But I think this is more a general question than specific to this type of car. However, this model I own does not have many onboard ...
5
votes
4answers
3k views

1997 Dodge Grand Caravan not starting, mystery wires?

1997 Dodge GC with 180k miles, has been sitting for maybe 6 months after being driven a little, and now it won't start. cranks fine, all electronics work, but doesn't fire. I checked there is fuel ...
0
votes
1answer
387 views

Car Stereo Forgetting Settings Upon Restart

I installed a car stereo a few months ago and it seems to forget all of its settings whenever it loses power. The stereo the car came with didn't have this issue. I am familiar with electronics so I ...
2
votes
2answers
4k views

Radio Wiring diagrams and/or color codes?

I've got an older Nissan truck (1994) that did NOT come with a factory radio. A previous owner had an aftermarket style radio installed, and the installers used one of these universal radio ...
5
votes
2answers
5k views

Manual horn switch

what are the pitfalls or things to look out for when manually wiring a switch from the battery to the horn? Some background: I just moved to texas where they require vehicle inspections. My horn ...
3
votes
2answers
392 views

Trailer wiring corrosion

Every couple of years I find that the trailer wiring connector (7 pin) on the back of my truck doesn't work properly, causing the brake or turn signals on the trailer to not function. This is caused ...