1998 FORD F-150 NO ELECTRICAL POWER. HELP!

  • Tiny
  • Ckh1992
  • 1998 Ford F-150
  • 75,000 miles

So today I was changing spark plugs on my 98 f150 and I touch one of the wires connected to the primary battery fuse on accident with a tool and got a spark. Didn't think much of it but now I have no power to anything in my car. No lights no click nothing. It's like the battery is not even in the car. Everything was fine up until today. Battery has power and tried jump starting but wouldn't take. Ive check the majority of the fuses. All seem fine as well as swapped many relays Any ideas?

Monday, August 5th, 2013 AT 4:18 AM

15 Answers

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

You burned out a maxi-fuse or fusible link.

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Monday, August 5th, 2013 AT 6:22 AM
  • Tiny
  • Ckh1992
  • Member

Any Idea as to what maxi fuse? As well as more detail on what and where for a fusible link. I'm not familiar with those?

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Monday, August 5th, 2013 AT 8:12 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

Maxi fi=use is a large, high amp fuse and a fusible link is special melting wire that acts as a fuse. They are usually attached to the starter solenoid, near the battery. Pull on each one and see if they stretch. You need to check all of them.

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Monday, August 5th, 2013 AT 9:20 AM
  • Tiny
  • Ckh1992
  • Member

Could you possibly give me more detailed descriptions of where the links are I've never seen one

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Monday, August 5th, 2013 AT 10:38 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

I checked, This one doesn't have fusible links. Just fuses.

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Monday, August 5th, 2013 AT 11:32 AM
  • Tiny
  • Ckh1992
  • Member

Is the fuse(s) that may have blown more likely to be in the box under the hood or in the cab of the truck? I assume that it's one of the larger fuses. Is it possible for one to not work but not be visibly blown?

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Monday, August 5th, 2013 AT 11:42 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

Of course it's possible. The have to be tested. It's going to be one or more of the larger fuses.

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Monday, August 5th, 2013 AT 11:46 AM
  • Tiny
  • Ckh1992
  • Member

I have a multimeter. To test the fuses do I just check the ohm rating for resistance?

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Monday, August 5th, 2013 AT 12:00 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

Test for voltage on both sides of the fuse.

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Monday, August 5th, 2013 AT 1:08 PM
  • Tiny
  • Ckh1992
  • Member

Test for voltage while still connected? And is any sign of voltage good or should it be a particular number

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Monday, August 5th, 2013 AT 3:13 PM

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