Use a special fuel gauge resistor to protect the original 6 volt fuel gauge that will be running in a 12 volt system. 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.
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Disconnect the wire that connects the fuel gauge to the sender unit then turn the vehicle on.
1985 chevy fuel gauge wiring. Wiring diagram pics detail. Each part should be set and connected with other parts in specific way. If the fuel.
Fuel gauge wiring diagram chevy 1952 chevy fuel gauge wiring diagram 1955 chevy fuel gauge wiring diagram 1957 chevy fuel gauge wiring diagram every electrical arrangement consists of various unique parts. If you do have 12 volts to the fuel gauge the next step is to remove the fuel sending unit wire and with the ignition key on ground the sender wire to a good chassis ground. Going from dual tank to single tank and have no fuel level indication.
Removing the sending unit wire from the chassis ground the fuel gauge should go directly to full. If the needle does move the wiring is fine and the problem is elsewhere in the vehicle s electrical system. If the gauge needle does not move the defective wiring between the two needs to be replaced.
Connect a third wire from the terminal post of the gauge marked i to the bat post of the tachometer. At 30 ohms it should read full. Each harness or wire must be held securely in place by clips or other holding devices to prevent chafing of.
All gm fuel gauges from the early 1930 s to the 1960 s operate on a 30 ohm scale. The fuel gauge should immediately go to empty. 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.
Otherwise the structure won t function as it ought to be. This video is for you. In the instrument panel area plastic insulated blade type connectors and screw type terminals are used.
Wiring harnesses are joined by using a multiple plug and receptacle connector block or a terminal post chassis junction block. Fuel gauge sending unit wiring diagram fuel gauge wiring diagram chevy beautiful gas gauge wiring 1987 iroc wire center file type. If the gauge continues to read empty you most likely have a faulty fuel gauge that needs to be replaced.
Connect a jumper wire between the ignition switch and the positive terminal of the fuel gauge on the dash. If the fuel gauge reads full this indicates a problem with the sender unit or the in tank mechanism. At zero ohms from the sending unit the dash gauge should read empty.
This applies to 73 87 chevy trucks.
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