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05-04-2020, 08:40 AM
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#1 |
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Registered User
 Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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66 C10 Headlamp Ground Wiring
is this the correct location? i think it mounts to the rear of this hole?
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05-04-2020, 09:28 AM
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#2 |
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Moderator
  
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: 66 C10 Headlamp Ground Wiring
I'd do a continuity check to ground if you do that.
__________________
Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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05-04-2020, 10:01 AM
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#3 | |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 66 C10 Headlamp Ground Wiring
Quote:
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05-04-2020, 10:28 AM
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#4 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,166
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Re: 66 C10 Headlamp Ground Wiring
IMO GM really cheaped out on their headlight wiring. How thick is that original ground wire, #18? I can't remember exactly which hole it goes to.
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05-04-2020, 10:44 AM
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#5 | |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 66 C10 Headlamp Ground Wiring
Quote:
i think my photo is correct just need some concurrence |
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05-04-2020, 11:17 AM
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#6 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,166
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Re: 66 C10 Headlamp Ground Wiring
I can check tonight if you haven't got an answer by then.
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05-04-2020, 11:35 AM
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#7 | |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 66 C10 Headlamp Ground Wiring
Quote:
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05-04-2020, 06:05 PM
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#8 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,166
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Re: 66 C10 Headlamp Ground Wiring
Where you have that eye with the wire attached I see a sheet metal screw coming out in the forward direction. That would mean the wire gets attached on the back side. I saw this by taking the ring off. I did not see a wire behind it, just assume it is there. I think I'd have to take the grill off to see it properly.
Edit: And seeing I have been messing with them there is no guarantee that they are as original. |
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05-04-2020, 06:14 PM
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#9 |
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One foot in front of the other
Join Date: Aug 2008
Location: Parrottsville, TN
Posts: 5,441
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Re: 66 C10 Headlamp Ground Wiring
Back side of the bracket.
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05-04-2020, 06:19 PM
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#10 |
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One foot in front of the other
Join Date: Aug 2008
Location: Parrottsville, TN
Posts: 5,441
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Re: 66 C10 Headlamp Ground Wiring
another one
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05-04-2020, 07:37 PM
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#11 | |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 66 C10 Headlamp Ground Wiring
Quote:
Thanks DP. I guessed correctly |
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05-04-2020, 10:02 PM
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#12 |
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Senior Member
Join Date: Nov 2012
Location: Southeast Michigan
Posts: 784
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Re: 66 C10 Headlamp Ground Wiring
It looks like you have recently painted the headlamp bracket. Do yourself a favor and put a star washer between the ring terminal and the headlamp bracket. The washer will dig through the paint and ensure continuity, not just counting on the screw to cut the paint with it's threads.
The threads of the 3 bolts that hold the bracket to the grille panel are the next path electricity takes to get back to the negative battery cable. |
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