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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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Headlight dimming and flickering

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Old Feb 6, 2018 | 05:12 PM
  #16  
Shawner1974's Avatar
Shawner1974
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Originally Posted by Shawner1974
Well guys...Still flickering. But since I have a working voltmeter I noticed something interesting. As I was pulling into the gas station this morning, there was a slight incline in the pavement. When I hit it, voltage dropped. As I pulled back into the roadway, same thing...Roadway dipped, so did my voltage. Thinking my body grounds are shot so I am going to do some serious grounding tonight. Block to frame, frame to body, firewall to hood. Whatcha think?
Got it! Ran a 4 gauge ground from battery negative to fender, and another from starter bolt to a hole I tapped in frame. Instead of idling at 13.5 v it is now 14.4v! Never dipped below 13.5 on test drive and radio never cut out once...Go figure lol. Thanks for your input guys!
 
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