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Old 06-02-2019, 05:54 PM   #1
vwbusman66
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Default 140 ignition switch smoke?

Turned the key to move the 142 back into the garage and as I turned the key to "ON" and "Start", I was greeted by a small plume of smoke that persisted until I turned the key back to off.

Is this the switch portion of the ignition going bad or a loose wire? The engine won't turn over with the key anymore, but the warning lights dim.

Help.
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Old 06-02-2019, 06:04 PM   #2
alschnertz
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Do whatever you can to save that switch.
Replacements are not easy to come by.
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Old 06-02-2019, 06:08 PM   #3
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You just let the smoke out. Now you have to replace it.

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Old 06-02-2019, 06:14 PM   #4
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Originally Posted by alschnertz View Post
Do whatever you can to save that switch.
Replacements are not easy to come by.
What am I supposed to do to save it if it already smoked? How can I prevent further damage?

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You just let the smoke out. Now you have to replace it.
We had a jar of that at the shop I used to work at.
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Old 06-02-2019, 07:50 PM   #5
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Originally Posted by vwbusman66 View Post
What am I supposed to do to save it if it already smoked? How can I prevent further damage
I wouldn't say it's trash yet, unless you let it smoke for an extended period of time.
Label and disconnect all the wires at the switch and start fault tracing.

My $0.02.
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Old 06-07-2019, 11:25 PM   #6
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Folks on here don't know a good deal when they see it.
how psi stock cna support?

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Old 06-08-2019, 08:59 AM   #7
vwbusman66
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Turns out it wasn't the ignition switch.
The junction plate near the driver's headlight decided to come loose and ground. I wrapped it in electrical tape and it solved the problem. None of the wires at the switch shorted and showed signs of melted insulation.
The switch still functions fine.
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Old 06-08-2019, 12:37 PM   #8
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Electrical tape is the way to go for now, but you should consider a more permanent repair.

That junction is 1 of Volvos dumber electrical designs and it was used on 140s, 164s and 240s through 1977.

The weak link of the 3 pieces is the cover and of course that part is NLA.

However, I've got some 3D printed covers made.
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Old 06-08-2019, 01:23 PM   #9
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Old 06-08-2019, 11:58 PM   #10
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Holy ****!
What don't you guys stock/make??
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