Question about 1988 Chevrolet Blazer

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How can i check to see if i am getting power tofuel pump relay in my 88 k5 Blazer

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  • Chevrolet Master
  • 5,252 Answers

With a test light or voltmeter. One terminal at the relay would be hot at all times, if I am not mistaken. Or it might need key on to check for power. When key is turned on, there should also be a brief (2 seconds) signal at relay from computer to turn pump on and prime the system, but that signal will stop , and the power feed at relay would still be on.

Posted on Jan 20, 2013

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Posted on Jan 02, 2017

DAD5bbbbg
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SOURCE: replace a steering column on 1989 chevy k5 blazer

The best thing to do is to buy a Chilton,s repair manual. It has step by step procedures. You can get one at most auto parts stores. They coast anywhere from $10-$30 dollars.

Posted on Mar 16, 2009

bunnydawg
  • 5158 Answers

SOURCE: i have a 1987 k5 blazer was coming home and check

first ... look in the fuse panel.. in the engine compartment near the battery for the fuel pump relay.... replace that... if still no sound from the fuel pump it has likely failed. use a meter to test for voltage at the fuel pump.... or use a car battery to apply voltage to the fuel pump directly... if it starts up the issue is elsewhere. to replace the fuel pump you will likely need to drop the fuel tank.

Posted on Apr 17, 2009

  • 27 Answers

SOURCE: Where is the horn relay

horn is under the hood, usually on the firewa, how ever there us a horn relay somewhere unfder the dash on drivers side, pull it and makes sure it makes a clickin sounn if u hook power to it

Posted on Jul 16, 2009

  • 14036 Answers

SOURCE: no power to the fuel pump on a 1990 K5

CHECK FUSE + RELAY TO FUEL PUMP.IF THEY CHECK OUT GOOD.YOU HAVE PCM PROBLEMS. MAKE SURE PCM FUSE IS GOOD.YOU CAN BUY A HAYNES REPAIR MANUAL.IT HAS ALL OF YOUR ELECTRICAL DIAGRAMS.

Posted on Nov 11, 2009

  • 1 Answer

SOURCE: 91 Chevy K5 Blazer turn signal flasher

i agree with them, but you know when you open the door and thatgod damn buzzer goes off until you turn on the truck? how the hell do you shut that off?
please email me Steveracer8@hotmail.com
thanks

Posted on Dec 31, 2009

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I have a 1987 k5 blazer was coming home and check eng. light came on and started to sputter the next morning the fuel pump would not come on and it wont start??


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