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Author Topic: Rear Side Markers  (Read 2299 times)

Offline johnc10

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Rear Side Markers
« on: August 24, 2021, 05:57:19 pm »
I bought a brand new rear harness for my 1976 C10 and I can’t seem to get the rear side markers to turn on. My old harness had no issues with the side markers and I can’t seem to figure this one out. I am using new bulbs and I even tried it with the old bulbs which were working fine. Any help is appreciated.
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Offline VileZambonie

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Re: Rear Side Markers
« Reply #1 on: August 24, 2021, 07:16:57 pm »
They rely on body grounds at the rear tail light opening. Are they connected, clean and tight?
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline 1980K20

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Re: Rear Side Markers
« Reply #2 on: September 18, 2021, 09:04:09 am »
For the taillight ground, are the eight mounting bolts for the bed the grounding of the bed? Or is there an additional grounding somewhere?

Wondering if there's a different grounding scheme with the new harness.

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1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350
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