2 Wire Fuel Gauge Diagram Cadillac

Fuel gauge step 1. I disconnected the sender wire and measured the resistance to ground.

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The fuel sending unit is responsible for what the fuel gauge on your vehicle reads.

2 wire fuel gauge diagram cadillac. There are two types of sending units. 2005 cadillac cts fuel gauge and temp guage inop trac light on key wont turn back car runs ok answered by a verified cadillac mechanic. If the gauge didnt peg before you removed the tank and replaced the sender chances are the gauge is ok.

A big thanks to the subscriber who sent us this pump. If i disconnect the sender and switch the ignition on the gauge sits at exactly zero which is where it should be. 1957 58 cadillac eldorado brougham 1 1957 58 cadillac eldorado brougham 2 1957 cadillac series 60 62 75 86 wiring diagram 1965 cadillac fleetwood series 75 2 1965 cadillac series 6062 1 1965 cadillac series 6062 2 1973 cadillac deville wiring diagram 1977 79 cadillac fleetwood wiring diagram 1980.

Cadillac vehicles diagrams schematics and service manuals download for free. Lets hope this sorts it out and we can get back on the road. It was at 33 ohms which is pretty close to correct from what i can gather as the standard for the fuel tank senders was 0 to 30 ohms.

Connect the first wire between the top terminal screw of the fuel tank sender and the s post on the back of the fuel gauge. My wife has a 1991 cadillac that she inherited from her mother. The older float style which uses a magnet embedded in a float that resides in a tube sending readings of how high in the tank it is floating and there is the newer style that measures electrical resistance of the volume of fuel in the tank.

It only has 79000 miles on it. Well bill im afraid that there is a short in the wire coming from the sending unit and youll probably have to drop the tank again. Even thou it had a leak.

This video will help you troubleshoot your fuel gauge and sending unit to verify if it is good or needs to be replaced. Another wrench in the gears of the blue devil cadillac. Connect the second wire from the terminal post marked g on the gauge to the gnd post on the back of the tachometer or to a common grounding terminal behind the dash panel.

The problem is the onboard fuel management digital display on the lower lh side of the dash.