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#533419 - January 26th 2012 5:10 pm
Re: HELP PLEASE with fuel gauge/sending unit
[Re: NateNCBV]
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pooh-bah
Registered: July 26th 2009 3:08 pm
Posts: 3760
Loc: Maryland
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Well.....since my last name is Hatfield, I don't trust anyone named McCoy!!!! But I will take advice from the other two!
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#533559 - January 27th 2012 6:58 am
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Lee7673]
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Administrator
Registered: August 23rd 2005 12:00 pm
Posts: 20114
Loc: Brooklyn Park, Maryland, USA
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Ahahahahahahahahah! I hear the banjos playing now!
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Nate Breece (Nate the skate) 2% North Chesapeake Bay Vans A-100 Van Association Honorary Canadian(You Hoser!) -------------- 1994 Dodge B250 Elk Conversion (5.2L/A518) 1985 Dodge B150 "Burnin' Desire" (5.2L/A727)  
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#533992 - January 28th 2012 9:04 am
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Lee7673]
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pooh-bah
Registered: July 26th 2009 3:08 pm
Posts: 3760
Loc: Maryland
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OK...back on topic. Need more help. I put more gas in the tank and the gas gauge didn't move (but the other three gauges seem to be working). I put the new instrument cluster voltage limiter in and the fuel gauge and amp gauge seem to be working but the temp gauge and oil pressure gauge just spike all the way up. Any suggestions??? Help!!!
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#534097 - January 28th 2012 4:21 pm
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Boot]
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pooh-bah
Registered: July 26th 2009 3:08 pm
Posts: 3760
Loc: Maryland
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Are these factory gauges?
Yes. This is the strangest issue. With the old limiter everything is working except fuel gauge and with the new limiter the fuel and amp gauge is fine but the oil and temp spike all the way up right away.
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#534101 - January 28th 2012 5:06 pm
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Lee7673]
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carpal tunnel
Registered: August 27th 2001 12:00 pm
Posts: 7049
Loc: Fircrest, WA
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Is this a "new" as in new from a parts store "new" voltage limiter or "new" in the sense that it came from another parts van?
I would look for a grounding issue at the circuit board and the associated wiring. Have you verified that the oil and temp sending units are correct and working right?
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#534102 - January 28th 2012 5:16 pm
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Lee7673]
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pooh-bah
Registered: July 26th 2009 3:08 pm
Posts: 3760
Loc: Maryland
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It's new from NAPA. The other gauges work with the old limiter. I will say this....the new limiter (that NAPA looked up and said was correct) is the same size, has the three prongs (tabs) all in the exact same position but the new limiter has a tab off of the back of it that looks like it would be a grounding tab but the old limiter didn't have one and the new one didn't say anything about grounding the limiter.
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#534282 - January 29th 2012 12:54 am
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Lee7673]
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Captain Overkill
Registered: November 16th 2003 12:00 pm
Posts: 3116
Loc: Myrtle Beach, SC
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Try putting the original limiter in, turn on the key, and give the fuel gauge a couple minutes to register.If that doesnt work, then I'd say you have a problem in the circuit board itself. The simplest fix is to go back to the original limiter, so the other 3 gauges work and if need be, run a new positive wire to the fuel gauge. Do you have a factory wiring diagram? If not there's one here: http://moparbvans.proboards.com/index.cgi?board=factdiags&action=display&thread=241The circuit boards are a common problem in these vans.
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#534284 - January 29th 2012 1:08 am
Re: HELP PLEASE with fuel gauge/sending unit
[Re: Boot]
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pooh-bah
Registered: July 26th 2009 3:08 pm
Posts: 3760
Loc: Maryland
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Try putting the original limiter in, turn on the key, and give the fuel gauge a couple minutes to register.If that doesnt work, then I'd say you have a problem in the circuit board itself. The simplest fix is to go back to the original limiter, so the other 3 gauges work and if need be, run a new positive wire to the fuel gauge. Do you have a factory wiring diagram? If not there's one here: http://moparbvans.proboards.com/index.cgi?board=factdiags&action=display&thread=241The circuit boards are a common problem in these vans. Thanks Boot. This is awesome. I did try cleaning the circuit board tonight and I did trace the ground down and cleaned it real good...but no success. I think my next step is to isolate the fuel gauge and run a new positive wire to it.
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