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Anonymous Posted on Jul 04, 2012

How to replace Fuse Block on 2008 Cadallic DTS

Fuel Pump fuse keeps blowing on car, dealership said it was a bad fuse block, how do I replace it?

1 Answer

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  • Cadillac Master 3,828 Answers
  • Posted on Mar 01, 2017
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Joined: Aug 29, 2014
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Its really a job for an auto electrician

to DIY needs a replacement fuse block from a wrecker
with a bit of the loom wiring as a colour guide
then you rewire one fuse/relay connection at a timeHow to replace Fuse Block on 2008 Cadallic DTS - c662813a-a3bb-4057-b44f-5be989167c91.jpgindex-5nrggpflz035lvswkxm5zg5a-4-2.jpg

5 Related Answers

Jerry Cassel

  • 78 Answers
  • Posted on Jan 04, 2009

SOURCE: where is the fuel pump

In the gas tank.

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motor1258

Mike Butler

  • 6674 Answers
  • Posted on Mar 04, 2009

SOURCE: 1994 cadilac fleetwood that I am suspecting needs a new fuel pump

Usually a fuel pressure test will confirm, but if there's power going to it for sure, then replacement sounds like the cure, and filter.

Anonymous

  • 108 Answers
  • Posted on Jul 28, 2009

SOURCE: no power in fuse box for fuel pump

If there is no power to the fuse block then there has to be a main relay check that to see if it is blown. it is usualy located in the fuse block undr the hood.

freetek

Steve Allison

  • 5569 Answers
  • Posted on Jan 03, 2010

SOURCE: what causes the fuel pump fuse to keep blowing?

A fuel pump is a kind of motor and any motor is subject to having shorted windings. If the shorts weren't catastrophic, the pump could still be functional but drawing much higher currents than when built. I have an ugly feeling your fuel pump in located inside your gas tank which would require removing the tank to replace it.
I'm pretty sure that the real factory service manual would have a test (resistance measurement) that would quickly find whether the pump is healthy, whereas the aftermarket books from Haynes or Chilton may not.

Anonymous

  • 1 Answer
  • Posted on Mar 06, 2011

SOURCE: I have a 2003 Cadillac

That's a come-back, take it back to the shop which did your stereo

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You could have a short in the wire harness to the fuel pump or the fuel pump it self is bad or the relay has gone bad also. Start with the replacement of the fuel pump relay and also find the wire harness to the fuel pump sending unit from the frame to the gas tank and disconnect the connections. If the fuse does not blow when the connection to the fuel pump is disconnected, then it's a go chance that it's the fuel pump. If the fuse blows and the wire harness is disconnected, then the problem is towards the fuel pump relay and fuse block. Good luck and keep me posted, be glad to help you get your car running 100% again. 
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