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06-04-2012, 09:50 PM | #1 |
Registered User
Join Date: May 2012
Location: fallbrook, ca.
Posts: 29
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Fuel gauge switch
Can anyone tell me should I be worried about when I pull the lights on the fuel gauge drops about 1/8 on scale, if i pull the lights with the key off it drops to empty. I have pulled the cluster cleaned the contacts, changed fuel gauges and still it happens. Is this something I should be worried over?
Thanks in advance to all the kind folks here, yes I'm a real sissy when it comes to electrical matters |
06-04-2012, 10:47 PM | #2 |
Registered User
Join Date: Nov 2011
Location: Valparaiso, Indiana
Posts: 195
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Re: Fuek gauge twitch
Mine does the same thing with the lights minus the empty part.
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06-05-2012, 02:02 AM | #3 |
Registered User
Join Date: May 2007
Location: New Hampshire
Posts: 349
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Re: Fuek gauge twitch
You've probably got a ground in your lighting circuit. Are any of the of the other gauges are affected ?
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06-05-2012, 03:35 AM | #4 |
Registered User
Join Date: May 2012
Location: fallbrook, ca.
Posts: 29
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Re: Fuek gauge twitch
None of the other cluster gauges are connected. The previous owner put in all mechanical gauges so the only working cluster gauge is the fuel
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06-05-2012, 11:54 AM | #5 |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Fuel gauge switch
may need to consider adding more grounds behind the cluster
or just confirming they all are hooked up right
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
06-05-2012, 07:34 PM | #6 |
Registered User
Join Date: May 2012
Location: fallbrook, ca.
Posts: 29
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Re: Fuel gauge switch
Guess I'll just drive her till she frys at this point. I have checked all power leads and cluster grounds, changed the fuel gauge cleaned and serviced all the contact points everywhere and still the gauge jumps when i pull the lights on.
Oh well I knew she was an old gal when I bought her Thanks to all for your help JR |
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