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mrlobster · 07-10-2016, 07:12 PM

I'm installing the headlight relay mod on my '72 GMC. When I look at the main light harness, it has 2 light green wires leading to the high beams. Does it matter which one is connected to the relay? Should both?
It's a new harness from AAW.
Thanks!

07-10-2016, 07:12 PM	#1
mrlobster Registered User Join Date: Oct 2014 Location: Quesnel, British Columbia Posts: 80	GMC Headlight Relay Mod I'm installing the headlight relay mod on my '72 GMC. When I look at the main light harness, it has 2 light green wires leading to the high beams. Does it matter which one is connected to the relay? Should both? It's a new harness from AAW. Thanks!