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I've got a 88 GMC Sierra with a 383 carberated motor. When I bought it the none of the stock gauges worked so I got rid of the gauge panel and made my own aluminum gauge panel with volt meter, oil pressure, water temp, and speedo. But it would be nice to add a fuel level gauge. Do I have to drop the fuel tank in order to do this? I am thinking of adding a Equus or Autometer fuel level gauge. Thanks for the help.
 

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Doc here, :pimp:

No, Not if the Sender resistance is compatible with the gauge.

Check your gauge Spec sheet for the resistance required, then look up the resistance of the stock sender or measure the sender line with a DVOM, R X 1, calibrated for 000, at full, and verify they are the same value.

If the sender has LESS resistance than the gauge requires, you Can add a resistor of proper value in the line to make up the difference, if it requires If the sender has MORE resistance then you will have to change the sender.

Doc :pimp:
 
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