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I have a1988 chev 1500 that blows the 20 amp gauge fuse

The truck was idling then shut down like there was no gas i checked the fuses and found the 20 amp fuse blown its the gauge fuse i installed a new one when i turn the key to the on position it blows

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  • 156 Answers

I've seen fuel gauge wire from tank sending unit shorted out and blew gauge fuse

Posted on Nov 08, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

  • 366 Answers

SOURCE: 2001 S-10, Blowing "ECM Batt" fuse after running for about 30 min

that fuse feeds power to fuel pump relay circuit that feeds pump could be defective pump,or damaged circuit wires that shorts out! and not a good idea to put higher fuse in circuit could cause more damage to circuit! but i know when your stuck, u do what it takes,so inspect circuit related to fuse,

Posted on Mar 11, 2009

  • 28 Answers

SOURCE: The blower motor won't turn off.

Sounds to me like there is a direct short somewhere in the system. With no continuity through the switch, the blower should shut off. So this means that there is a connection somewhere else supplying voltage to the blower motor. How rusty is this vehicle? Suggest you start looking for a damaged, salt and dirt encrusted harness somewhere under the hood, low enough to collect dirt, salt, grease and moisture. My guess is that you will find a collection of blue/green corroded wires somewhere. This could be time consuming, but you may get lucky and find it quickly. Look for the obvious. A year/ model specific factory wiring diagram...available over the internet...is a good investment, and may save you much time. If you are keeping the car, get one. You'll be glad you did. This will also tell you if the system is supposed to run on 2 -15 amp fuses, or if that is also a malfunction. Trust me, chasing electrical ghosts is a real pain, especially when you don't know where they are hiding. Keep me posted. Good luck. Chip

Posted on Oct 05, 2008

emissionwiz
  • 75822 Answers

SOURCE: shuts off while driving. no fuel pressure. pcm fuse blows/ fuel pump relay inserted.

Sounds like the fuel pump is shorted.

Posted on Nov 03, 2008

motor1258
  • 6674 Answers

SOURCE: 97 dodge dakoata main fuse keeps blowing 140 amp fuse

Regulator in alternator obviously faulty, have it bench tested & fixed or replace alternator, and cure your problem.

Posted on May 19, 2009

  • 227 Answers

SOURCE: blown ecu fuse

ECU= Electronic Control unit. This is what controls all the engine electronics. All the sensors on the engine and other things are routed through the part. What it does is tells the engine how to run. Each sensor plays a specific role. The ECU reads how much are the engine is getting, tells the engine how much gas it needs, etc. Try digging around a salvage and finding a new ECU. Swap it out, and if it is still blowing the ECU fuse then you need to start looking for shorts.

Posted on Aug 19, 2009

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