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post #1 of (permalink) Old 03-16-2004, 10:35 AM
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Fuel Gauge Temp Gauge Maxing Problem

Well I have the exact same problem alot of other people do. The gas gauge is always maxed and the Temp soon follows after warm up. I researched this problem time and time again and found nothing. I did however do tons of trouble shooting to find out that the actual gage cluster was bad. I replaced my gage with a donor and everything worked fine. Well after I used the dash as is for a couple of months an offroad event must have jarred something cause Im back in the same postion. The Gas gauge max's out and temp gauge too. The quick swap with the donor cluster shows that all is good still and seems to have somehow ruined another gauge cluster. Whats the deal here?????????? I am now back to using an Ohm meter to know if Im out of fuel or not.....talk about back country! I have heard that a faulty fuel sending unit could cause major problems, but now I have a stock pile of clusters that probably just need a jumper wire in the correct spot or did the gauges blow some internal resistance?

any help or insight would be awesome. Also looking to buy a stock cluster.....not tach!

[img]images/graemlins/confused.gif[/img] [img]images/graemlins/confused.gif[/img] [img]images/graemlins/confused.gif[/img] [img]images/graemlins/confused.gif[/img]
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post #2 of (permalink) Old 03-17-2004, 07:32 PM
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Re: Fuel Gauge Temp Gauge Maxing Problem

surprised no one has answered you yet. you probaly have a
ground wire problem. run a ground wire to your guage frame
the harness in the engine compartment has a ground by the
temp unit as does the fuel tank sender. be safe add new
grounds or at least clean wires/connectors/screws/bolts &
nuts and use lithium grease at all connects--oldzuki
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post #3 of (permalink) Old 03-19-2004, 11:01 AM
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Re: Fuel Gauge Temp Gauge Maxing Problem

thanks for the reply, my question here is that when I just buy a new gauge cluster off ebay everything works for months. Ive done this twice now with a total of three clusters ruining themselves. The cluster seems to be ruining itself when Im out wheeling and hit some crazy bumps. If I put these gauges in another sammy with a good working stock cluster it has the same effect. I say all this because I trouble shot this for months by checking all parts/grounds int he circuit. I have come a conclusion that the gas sending unit may be frying my guage internal resistance. [img]images/graemlins/confused.gif[/img]
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post #4 of (permalink) Old 03-20-2004, 07:38 AM
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Re: Fuel Gauge Temp Gauge Maxing Problem

My dad had a simular problem. He was out wheeling and the bouncing around caused his battery tie down to come loose allowing one of the battery cables to get pinched and shorted. This somehow caused excessive amperage through the gauge cluster, burning up some of the traces on back. The temp gauge would do the same thing you described. After finding the pinched wire and repairing the cluster, every thing works fine.

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