Was taking our newly restored 73 2.0 out for its second attempt and although the car is not dialed in yet (another challenge) we hit a problem when turning on the fog lights. After 1-2 min with the fog lights on it started to smoke and I immediately turned off the switch and it stopped.
I am confident that the harness was good because Jeff restored it.
Any ideas what might have happened to cause this?
Thanks
Possibly a short somewhere. You are going to have to trace the wires from fuse to switch to fogs to make sure nothing has melted.
Do you know what color wire was smoking?
Note: When installing the speakers for the first time last week the mechanic realized that the left side main harness needed tweaking and to make room he pulled the fuse box and adjusted the harness. We got the car back last night and verified that the fog lights worked but strangely the switch did not light up, which is our favorite feature.
Lastly, the car is running poorly for the first time...
We will see on Monday
Hopefully none of the wiring harness got pinched or punctured in the process of reorganizing it, if I remember correctly the fog light RELAY'S power is fused, but the fog light SWITCH'S power isn't.
With the fog light switch lamp not lighting up when it's turned on, I'm wondering if the Grey/Red wire going from the fog light switch to the fog light relay's coil is pinched or otherwise shorting out, dragging the voltage down so low that the switch can't light, but it's still enough to trigger the relay.
Something isn't connected properly and if you have smoke, your harness is damaged.
Exceptionally difficult to diagnose over the computer. The only way to deal with this is trace down all the wires using a color coded wiring diagram. Sorry, but you've got some work to do.
Thanks! The shop has a bit of work to do and we should see the car in 2021
I have four cars in the shop... time to look for another mechanic.
cheers
The British car guys have this problem all the time. Once the smoke gets out things never work the same again.
Sounds to me like you need a conversation with your speaker mechanic! He did some tweaking all right.
Most likely is you will find one or two wires than need help, replace them and be good.
Here's the wiring for the foglights. No fuses between the battery and the foglight switch.
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