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low79fx · 12-29-2009, 08:06 PM

Check your grounding,making sure that every major body part,i.e. cab,frontend and bed is grounded to frame,engine to frame.I just got through doing a complete rewire on a 65 GMC and the system all references ground through the body to the frame back to the negative on your battery.Hope this helps.

12-29-2009, 08:06 PM	#3
low79fx Registered User Join Date: Jun 2008 Location: odessa,tx Posts: 208	Re: Turn Signal Help Check your grounding,making sure that every major body part,i.e. cab,frontend and bed is grounded to frame,engine to frame.I just got through doing a complete rewire on a 65 GMC and the system all references ground through the body to the frame back to the negative on your battery.Hope this helps.