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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#97546 10/10/2006 8:24 PM | Joined: Aug 2006 Posts: 26 Apprentice | | Apprentice Joined: Aug 2006 Posts: 26 | I've got a 1969 Chevy instrument panel and before I put it back in the truck I want to test it to make sure that it's working correctly. Is there a way to do this?
I know that I can hook up a 2 amp charger to a vehicle and check the various circuits. But can I do the same thing to just the instrument panel that has been pulled from the truck without damaging it?
Just wondering
I gave up golf for this!
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#97547 10/11/2006 4:41 AM | Joined: Nov 2002 Posts: 1,002 Shop Shark | | Shop Shark Joined: Nov 2002 Posts: 1,002 | If your not setup to check it, it will be difficult. You need an air compressor with a good regulator, adjustable from 0-60# plus or minus a few. A 75 ohm pot to check the fuel guage. Is it an amp of volt gauge.
Larry
I don't own a vehicle that isn't old enough to drink.
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#97548 10/12/2006 3:24 AM | Joined: Aug 2006 Posts: 26 Apprentice | | Apprentice Joined: Aug 2006 Posts: 26 | Sorry, Larry I wasn't clear. I am sure that the instruments etc. work. What I'm interested in is how to determine which wires control which lights. For instance I've gotten the turn signals and the high beem indicator working but I am not able to get the lights that aluminate the instrument panel to work. They worked a month ago when I took everything apart before I began to rewire everything. Now I can't determine which wires control the lighting. Struggling but having a good time!
Thanks for the post!
I gave up golf for this!
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#97549 10/12/2006 6:31 AM | Joined: Nov 2002 Posts: 1,002 Shop Shark | | Shop Shark Joined: Nov 2002 Posts: 1,002 | That makes life easier. You didn't blow the fuse, right.  Looking at the factory wiring diagram (which leaves some doubt) the power comes in on a grey wire which is on a corner of the panel connector and is tie to the heater light, then a 5 amp fuse on the fuse block. My best guess is the other side of the fuse is a dark green wire from the headlight switch. If you have a test light you check to see if the light varies as you turn light switch knob. I hope GM as gotten better at wiring diagrams. Larry
I don't own a vehicle that isn't old enough to drink.
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