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Username Post: Electrical Short        (Topic#356033)
Old Chevy Soldier 
"8th Year" Gold Supporting Member
Posts: 294
Old Chevy Soldier
Loc: Central Montana
Reg: 03-12-12
04-15-19 04:02 PM - Post#2764293    

I'm working on a 1990 square body Caprice. There is a dead short in the courtesy/ clock circuit. I know that the horn and courtesy lights are on this circuit. With horn disconnected and the doors closed, it still blows the fuse. Any suggestions on where to look or how to repair?

Life is to short to ride an ugly horse or drive a Ford


 




Maynard G. Krebs 
Poster
Posts: 5

Reg: 02-21-19
04-16-19 07:12 PM - Post#2764362    
    In response to Old Chevy Soldier

J. C. Whitney of the Chicago area.. used to sell an electrical device... that was attached to the battery.. and sent a radio-type 'signal' that would be detected by an accompanying sensor device.. that would get progressively louder as you waved this 'wand' around the car... and get really loud where the short exists. It would also make less noise the more you moved the wand AWAY from the electrical short. Supposedly, it would detect a short through door panels, or kick panels, maybe even door panels. I don't recall its name. Contact J.C.Whitney to see if they still sell this item.



 
junkman104 
Frequent Contributor
Posts: 1360
junkman104
Age: 60
Loc: Murphy N.C.
Reg: 01-25-14
04-17-19 04:07 AM - Post#2764375    
    In response to Maynard G. Krebs

Made by Power Probe I have one and it works! https://www.amazon.com/Power-Probe-PWP-PPECT 3000-E...





 
Old Chevy Soldier 
"8th Year" Gold Supporting Member
Posts: 294
Old Chevy Soldier
Loc: Central Montana
Reg: 03-12-12
04-19-19 09:47 AM - Post#2764582    
    In response to junkman104

Sorry for the delay, I just returned from seeing my new grandson.
This tool sounds great! Given that this circuit is always hot (hot with key off or on) and that it blows a fuse immediately, will the tool locate the short with no power to the circuit? Also, because this fuse powers the clock, courtesy lights, horn and cruise, is it necessary to isolate the circuits?
Thank you both for the response, Tim

Life is to short to ride an ugly horse or drive a Ford


Edited by Old Chevy Soldier on 04-19-19 09:59 AM. Reason for edit: No reason given.

 
Shepherd 
Frequent Contributor
Posts: 1744

Loc: Lake George, NY
Reg: 11-11-15
04-19-19 03:11 PM - Post#2764592    
    In response to Old Chevy Soldier

Make sure coin or such didn't fall into lighter socket.



 
Old Chevy Soldier 
"8th Year" Gold Supporting Member
Posts: 294
Old Chevy Soldier
Loc: Central Montana
Reg: 03-12-12
04-20-19 08:28 PM - Post#2764693    
    In response to Shepherd

Good call, sounds like something I would do. I'll check it tomorrow.
Thanks, Tim

Life is to short to ride an ugly horse or drive a Ford


 




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