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I installed a fuel pump kill switch in a2002 tahoe it worked severaltimes however when i moved it around the connection in back of kill switch was loose so I went to store and got more connectors they turned out to be a little smaller but I wasAble to connect them however it hasn't worked andI've triedEverything is there a fuelPump switch or another reason I can't even here it come on when I turn key what should I doo

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  • Master
  • 435 Answers

Electronic fuel pump--->no sound--->check fuse.

Posted on Nov 28, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mas66
  • 104 Answers

SOURCE: Engine turning over but no start...

Is it getting spark? remove one spark plug wire and put a spark plug in it, hold the body of the plug against an unpainted metal part of the engine or body with an insulated tool (like a plastic handled screwdriver) and get someone to wind the engine over. You should see spark at the plug. If not, check to see if the igniter module is switching the coil correctly (might want to search on the net for this procedure, too hard to explain here). Probly best to just replace the igniter module anyway with the age of the vehicle.

Posted on Oct 25, 2008

ZJLimited
  • 17970 Answers

SOURCE: 1995 Honda Civic fuel gauge always shows full.

Well, theres a sending unit/float in the tank that sends a signal thru wires to your instrument cluster's fuel gauge. You should have an auto electric repairperson determine where your problem lies. It's not often the needle's just 'stuck' to where you could dislodge it. More often, it's pegged overfull or underempty-signaling a shorted component upstream of the gauge.

Similar problem and found the solution:
In the back of the gauge, where the 2 coils are located, there are very tiny copper wires which connect all the resistors/diodes. they each travel from within the coil and are soldered to 3 out of the 4 mounting pins. if any of these wires are shorting out or disconnected, the gauge will malfunction.

- take the gauge and flip upside down
- temp gauge has 1 resistor (blue) and 1 diode (copper)
- fuel gauge has 2 resistors, no diodes
- 1 wire should be attached to bottom mounting pin (letter E for EMPTY)
- 1 wire should be attached to pin holding both resistors (half tank)
- 1 wire should be attached to the stand-alone ground pin (no mounting bracket)

Hope that helps!


Posted on Oct 19, 2009

  • 594 Answers

SOURCE: THE FUEL GAUGE STAYS PAST FULL DOESN'T MOVE

USSUALLY WHEN GAGE GOES WAY OVERFULL IT'S A BAD GROUND
QUICK CHECK USE BOOSTER CABLE ONE END ON TANK OTHER END ON BATTERY NEGATIVE IF GAGE GOES OK MAKE UP SHORT WIRE FROM FRAME TO TANK SEEM LIP
AND ATTACH MAKE SURE METAL IS CLEAN

Posted on Apr 19, 2011

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I installed a fuel pump kill switch in a2002 tahoe it worked severaltimes however when i moved it around the connection in back of kill switch was loose so I went to store and got more connectors they...


Why would you want a kill switch ? The PCM supply's B+ voltage to energize a relay that turns on the fuel pump. When the key is first turned to on the PCM - engine computer will energize fuel pump relay for two seconds to prime the system . It won't turn it on again untill you crank the engine . ( Turn key to start ) An that is only if it sees a RPM signal from the crank sensor .
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