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Unread 08-15-2011, 07:34 AM   #1
rpenczek
Registered User
1995 YJ Wrangler 
 
Join Date: Sep 2009
Location: Indiana
Posts: 128
Dash Lights

Last week I lost the lights (both) in my speedo. I pulled the gage cluster on Saturday and installed new bulbs (believing that to be the problem.) Well, they still did not light up. So I took it apart again and did some inspection. It appears that some of the copper lines on the circuit board (I know its not a board, more like plastic sheet with copper lines) coming from the tach side to the speedo side had some green corosion and what looked like a break in the copper. I am assuming this is my problem.

Question, is this common? Also, assuming this is my problem, is the plastic film with the copper lines available anywhere other than a bone yard?

Also, anything else I should consider?

Thanks.

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Unread 08-15-2011, 07:58 AM   #2
tdewit
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1991 YJ Wrangler 
 
Join Date: Sep 2006
Location: Ohio
Posts: 525
Quote:
Originally Posted by rpenczek View Post
It appears that some of the copper lines on the circuit board (I know its not a board, more like plastic sheet with copper lines) coming from the tach side to the speedo side had some green corosion and what looked like a break in the copper. I am assuming this is my problem.

Question, is this common? Also, assuming this is my problem, is the plastic film with the copper lines available anywhere other than a bone yard?
It's not uncommon for that to happen. Rather then replacing, use a pen eraser to clean the corosion off, and a soldering iron to fix the tracks.
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Unread 08-15-2011, 08:20 AM   #3
rpenczek
Registered User
1995 YJ Wrangler 
 
Join Date: Sep 2009
Location: Indiana
Posts: 128
TY for the tip. I did use the eraser to clean up the corosion (thats what we did as kids on model railroad tracks to clean them up). I didn't know how to fix the broken lines. soldering should do the trick (as long as I don't burn the plastic up).
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Unread 08-15-2011, 10:37 AM   #4
Que89YJ
Web Wheeler
1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 14,812
You can get a conductive paint or a copper trace repair kit that has copper tape. I know someone here just did it but I cant find it.

Watch this video:
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