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06-08-2015, 04:05 PM
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#1 |
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Registered User
Join Date: Oct 2014
Location: brentwood, ca.
Posts: 109
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Dash gauge lights not working
Hey guys, electrical is not my strongest, so I am looking for some help. My dash gauge lights don't work. My headlights, taillights, dome light, dimmer, turn signals & indicators, hibeam and indicator as well as the heater panel lights all work, just no dash gauge lights. The fuse is not blown either. I am thinking it is a bad headlight switch, but not sure. I have a multimeter, but not sure how to test the switch or other areas that may be the problem.
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1967 Chevy C10 Stepside SWB - 350/700r4 |
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06-08-2015, 04:20 PM
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#2 |
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Senior Member
 
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,853
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Re: Dash gauge lights not working
Dumb question, but did you try rotating the headlight switch knob that dims the dash lights and turns on the dome light? If it's not that simple, perhaps the rheostat coil on the front of the switch is broken. The coil is the curved spring-like thing at the front in the picture below. It could also be a problem with the printed circuit behind the cluster.
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06-08-2015, 04:56 PM
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#3 |
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Registered User
Join Date: Oct 2014
Location: brentwood, ca.
Posts: 109
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Re: Dash gauge lights not working
I did rotate the knob as one of the first things I tried, but no change. Nothing in my life is ever that easy of a fix!!!!
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1967 Chevy C10 Stepside SWB - 350/700r4 |
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06-08-2015, 05:25 PM
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#4 | |
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Senior Member
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,853
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Re: Dash gauge lights not working
Quote:
Can you see what shape the rheostat coil is in? Can you can get at the plug at the back of the cluster to remove it? If so, remove it and reinsert it. You may want to just wiggle it first and see if anything changes. |
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06-08-2015, 07:03 PM
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#5 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,334
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Re: Dash gauge lights not working
Check power at the Cluster Feed on the fusebox and then check the grey wire (methinks) on the connector going to the back of the dash PCB.
If it's got power there, it can only be ground, the PCB itself, or all dead bulbs (unlikely). If it doesn't work back from there to where it does!
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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06-08-2015, 07:50 PM
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#6 |
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Proprietor of Dale's Corner
Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,247
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Re: Dash gauge lights not working
If the heater control lamp is working that means you have power from the headlight switch.I'm thinking bad groundto the cluster
__________________
"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man R.I.P. FleetsidePaul |
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06-08-2015, 08:17 PM
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#7 |
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Registered User
Join Date: Oct 2014
Location: brentwood, ca.
Posts: 109
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Re: Dash gauge lights not working
Where would I locate the ground coming off of the gauge cluster?
__________________
1967 Chevy C10 Stepside SWB - 350/700r4 |
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06-08-2015, 10:23 PM
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#8 | |
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Proprietor of Dale's Corner
Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,247
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Re: Dash gauge lights not working
Quote:
__________________
"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man R.I.P. FleetsidePaul |
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