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10-10-2016, 09:24 PM | #1 |
Senior Member
Join Date: Aug 2010
Location: Asheville, North Carolina
Posts: 1,865
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Fuel Gauge Only Reads 3 O Clock
I have been chasing down a fuel gauge issue for months now so I'm calling in the experts. My truck is a 72 c10, all factory wiring harness. Here's where I started:
1. I freshened up all of my factory parts when I did the restoration, everything worked before I tore into it. After I put it all back together my gauge would only read at 3 o clock. 2. I replaced the sending unit with a brand new one, I swapped everything out and it still read 3 o clock. 3. I robbed a very clean factory fuel gauge out of a wall art cluster I had and put it in the truck, cleaned up all of my connections, checked the brown wire from the sender to the fuses box, still hasn't moved the needle.... I tried disconnecting the wire from the sending unit and grounding it to a fuel tank bolt to see if it would move, no luck. Then I tried freshening up the resistor on the back of the gauge and cleaned the contacts on it, nothing. I took out my sending unit and made sure the ribbon cable is not grounding itself on the tank and still can't locate the problem Does anyone have any idea what to try next? My next move is to buy another fuel gauge by it seems like it would read below empty (9 o clock) if the gauge was bad. Any ideas would be a huge help Thanks guys
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ANDREW 1972 Chevy SWB Cheyenne Super JANE http://67-72chevytrucks.com/vboard/s...d.php?t=462072 1972 GMC Jimmy PENNY http://67-72chevytrucks.com/vboard/s...d.php?t=735827 1968 GMC patina swb PEARL http://67-72chevytrucks.com/vboard/s...d.php?t=731315 1972 Chevy K20 BRUCE http://67-72chevytrucks.com/vboard/s...d.php?t=805788 |
10-10-2016, 09:59 PM | #2 |
Registered User
Join Date: Aug 2013
Location: cheyenne wy
Posts: 31
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Re: Fuel Gauge Only Reads 3 O Clock
They will do that when there is an open circut. Gauge will read empty when grounded.
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10-10-2016, 10:23 PM | #3 |
Senior Member
Join Date: Aug 2010
Location: Asheville, North Carolina
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10-10-2016, 10:59 PM | #4 |
The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,772
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Re: Fuel Gauge Only Reads 3 O Clock
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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