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Is their a master fuse on a1991s10 truck

I put a clutch in my s10 truck,now I have no power for my fuel pump and lights

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  • Cars & Trucks Master
  • 14,585 Answers

Check the harness and make sure you didn't pinch it in between the engine and transmission. I've done it, and it does happen.

Posted on Nov 16, 2014

  • curt ruffin
    curt ruffin Nov 17, 2014

    do you think it can be a ground wire loose? if so what should I connect it too

  • Randy Ohler Nov 18, 2014

    Your main grounds are from the battery to the engine. The battery to the body, and from the engine to the body. All the others run thru the harness. The pump and lights have there own ground. If you or missing any of the first three, then you could have problems.

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Posted on Jan 02, 2017

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Molson02536
  • 3854 Answers

SOURCE: fuel pump problems 2003 s10 chev 4.3 v6

Your ECU is what acctivates your fuel pump realy. Put the key on the run possition and pull the ecu fuse for a few seconds and reinstall it ans it should accivate your realy for 5 seconds, Good luck.

Posted on Apr 06, 2009

mechanicm639
  • 253 Answers

SOURCE: 2000 S10 4.3L

At the fuel pump relay you should have 1 full time hot wire. 1 hot wire when you turn on the switch. 1 ground, and the other wire goes to the pump. Test the ground to be sure it is good. If so then jump a hot to the one that goes to the pump and see if it runs.If it does then you have a bad relay or ECM. You can swap the relay with another of the same # from tour fuse box to test it.There is also a ground on top of the frame near the filler neck, check it too. Good Luck

Posted on May 06, 2009

heavymetal77
  • 721 Answers

SOURCE: 95 dakota cranks but wont start

Well I'm a chrysler master tech & this is a little odd. There's alot of things not in the question so here are mine. I'm assuming it's a 3.9 no 4wd. When did this happen? When you check for power do you have some one turn the key on while you check? If still no power then make sure all the fuses are good from the one under the hood to the one inside the cab. Next be sure to check the grounds. You'll need to by a manual like a Haynes in order to get a decent wiring diagram. In a worst case senario the main power box under the hood has an issue & the asd relay gets no power,hence no start. Ran into it on a 95 caravan & it took a week to figure it out & no replacement was available & I had to hard wire it so it would run. Hope this helps.

Posted on Jun 20, 2009

motor1258
  • 6674 Answers

SOURCE: 2001 chevy s 10

Find power wire coming from relay to pump when key switched on, & follow it back to pump. If you have power out of relay & nothing at pump, then I'd look for a break in wire to rear, or just run a new one. Double check your ground as well.

Posted on Jul 05, 2009

dmsr63
  • 2050 Answers

SOURCE: no power to fuel pump and the ecmb fuse bows as soon as i put it

Unplug all wires to the distributor, coil, fuel pum and injectors, then see if the fuse blows, if it does, sounds like an ECM failure.

Posted on Sep 26, 2009

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