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Originality / Question about gas gauge resistor
« on: February 14, 2013, 11:22:34 PM »
Hello everybody. I have had this nagging question for awhile and I hope someone here can answer this for me. First a little history...
The console fuel gauge on my 69 Z only registers to just over a 1/4 tank even when it is full. When the fuel level gets to that point driving the car the gauge starts working again. I know I may have a problem possibly with the sending unit and have gone thru all the test that have been recommended on CRG and TC. I've had the sending unit out of the tank testing and in the tank testing. When I test the gauge and the sending unit together out of the tank it works fine, but when I put everything back together it performs as it always has...just over 1/4 tank and stops. When I drive the car, making turns and all that and I know I'm getting close to that mark on the gauge the low fuel light comes on and I know the gauge is working. I can't tell you how many times I have pulled all this stuff out to fix this issue. Electrical has never been my strong suit but I am not a 'TOTAL' idiot.
The nagging question I have is the use of or not use of the resister. If the resister is installed the gas gauge gives me a totally different action then if it isn't installed. I fooled around with this all last summer with no clarifications on whether I needed this resister or not. Were there different gauge manufacturers, or is the resister for the standard fuel gauges on the 67-68-69's or for the gauge package for the 68 only console? I have 2 original console gauges, neither one has a resister on the back of it and I'm not sure why I even bought it.
Anybody have any thoughts on this? I'm still trying to fix this issue and currently in the market for a new fuel sending unit. Are NAPA's any good?
Thanks guys.
The console fuel gauge on my 69 Z only registers to just over a 1/4 tank even when it is full. When the fuel level gets to that point driving the car the gauge starts working again. I know I may have a problem possibly with the sending unit and have gone thru all the test that have been recommended on CRG and TC. I've had the sending unit out of the tank testing and in the tank testing. When I test the gauge and the sending unit together out of the tank it works fine, but when I put everything back together it performs as it always has...just over 1/4 tank and stops. When I drive the car, making turns and all that and I know I'm getting close to that mark on the gauge the low fuel light comes on and I know the gauge is working. I can't tell you how many times I have pulled all this stuff out to fix this issue. Electrical has never been my strong suit but I am not a 'TOTAL' idiot.
The nagging question I have is the use of or not use of the resister. If the resister is installed the gas gauge gives me a totally different action then if it isn't installed. I fooled around with this all last summer with no clarifications on whether I needed this resister or not. Were there different gauge manufacturers, or is the resister for the standard fuel gauges on the 67-68-69's or for the gauge package for the 68 only console? I have 2 original console gauges, neither one has a resister on the back of it and I'm not sure why I even bought it.
Anybody have any thoughts on this? I'm still trying to fix this issue and currently in the market for a new fuel sending unit. Are NAPA's any good?
Thanks guys.