likearock68
Newbie
Posts: 9
Loc: PA
Reg: 03-26-22
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06-12-22 11:42 AM - Post#2842768
I recently changed out the old incandescent lighting in my 68 c-10 dash to LED's but now I have no light for the dash only the directional and headlights work. I've checked and rechecked all the wiring and connections nothing appears to be wrong any suggestions?
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bobb
Super Senior Member
Posts: 6249
Loc: paradise
Reg: 09-05-03
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06-12-22 12:25 PM - Post#2842770
In response to likearock68
led lights are polarized. do you have power and ground to them?
| 70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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likearock68
Newbie
Posts: 9
Loc: PA
Reg: 03-26-22
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06-12-22 01:31 PM - Post#2842777
In response to bobb
The dash is plugged in with the wire harness, it was all working before. I probably need to check that wiring. I purchased the truck back in 2019, and whoever owned it before I guess they did the best they did but it looks like they just put band aids everywhere to sell it. So some of the wiring doesn't match up to the 67-72 diagrams like green wire from ign sw to dash wire harness doesn't exist. But it did work before so I'm kinda stuck
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bobb
Super Senior Member
Posts: 6249
Loc: paradise
Reg: 09-05-03
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06-13-22 07:54 AM - Post#2842826
In response to likearock68
check fuses. bypass dimmer
| 70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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doubleE
Valued Contributor
Posts: 3929
Loc: Eagan MN
Reg: 06-02-03
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06-13-22 10:27 AM - Post#2842841
In response to bobb
Just wondering, LED lamps, unlike incandescent bulbs, need a certain voltage to work. If the built-in rheostat dimmer (which you operate by turning the light switch clockwise to increase brightness) is not set high enough the voltage may not be enough to fire the LEDs. If you turn it to max and still no lights, measure the voltage output to the panel lights.
Eric
| Proud owner of
My Blue 62
Impala SS |
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likearock68
Newbie
Posts: 9
Loc: PA
Reg: 03-26-22
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06-13-22 02:55 PM - Post#2842868
In response to bobb
thx I'll give that a try
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likearock68
Newbie
Posts: 9
Loc: PA
Reg: 03-26-22
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06-13-22 02:56 PM - Post#2842869
In response to doubleE
sounds good I'll give it a try thx
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