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Old Dec 1, 2016 | 05:22 PM
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Electrical short

Hi
I have a short somewhere on a 1993 350 club wagon but where?
Background of this problem the # 8 fuse kips on burning and only when I turn the van off. The problem is bean going on for 4 years but maybe ones in a wile but now is more often like a week or so.
The tachometer, radio and dome lights turns off the transmission kicks in to second and kicks in on the down shift into first.
I remove the radio and the dome light inserts now I am left with a ?
Oh one more thing I know call me stupid but I had to try it I inserted a 30 Amp fuse instead of 15 Amp and when I turn off the van the headlight switch start it to smoke and the fuse burnt out.
Any ideas as to where to go next?
thanks
Mike
 

Last edited by inventor; Dec 1, 2016 at 05:24 PM. Reason: to add 1993 350 club wagon
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Old Dec 1, 2016 | 08:53 PM
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My battery was draining very quick as I do not drive the van very often. No fuse burned so I had to isolate every fused circuit. Long (very long) story short, the dimmer circuit for the dome lights on the headlight switch was shorted to its frame.

Is your #8 fuse the one that protects the inside lights? if you have the switch smoking, I'll check it.
 
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Old Dec 1, 2016 | 11:19 PM
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Thanks I will give that a check
 
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Old Dec 2, 2016 | 06:34 PM
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You might want to pull the headlight switch right out and check the connector that sits on top of the switch, the mid '90's era had a big problem with the headlight switches and melting contacts inside the connector.

If you see a problem, they have a replacement switch and connector available.


STANDARD MOTOR PRODUCTS #S607




STANDARD MOTOR PRODUCTS #DS531

 
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Old Dec 2, 2016 | 10:15 PM
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I checked the headlamp switch and is perfect condition in fact is not on the same fuse. #8
So I did the short finding technick ( removing the ground and checking with a prob) and there was no short so I insert a 15 amp fuse and blew up in an instant?????
What is OSOM remote convenience module
 
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Old Dec 2, 2016 | 10:22 PM
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Programable speedometer odometer module
 
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Old Dec 2, 2016 | 10:27 PM
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Thanks 163junk

Any idea why the transmission is acting like that? with out #8 fuse, it shifts hard up in second gear and down shifting in to first.
 
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Old Dec 2, 2016 | 10:34 PM
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Yes with out that, the trans has no vss input. Im thinking dome lamp wiring or a door switch problem. Let me see if I still have a 93 wiring book.
 
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Old Dec 2, 2016 | 10:41 PM
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Thanks
I will check this tomorrow because it looks like it blows when i open the driver door but what is strange to me is that it don't happen all the time?
 
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Old Dec 2, 2016 | 10:55 PM
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That would make it easy, pull out the drivers door switch and check if is rotted or broken. wire color is light green/yellow.
 
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Old Dec 2, 2016 | 11:07 PM
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I will let you know what I find.........good night for now and thanks again
 
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Old Dec 14, 2016 | 05:19 PM
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Here is the latest on this the door button wires are melted and short it out I pulled them back to where their was a good insulation but still shorting out so I was thinking my next step is to isolate the door button here I need advise too how to go about doing that.


thanks
mike
 
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