On an 89 Ford Bronco with 5.0L, how many amps run through the 2 yellow power wires from the starter relay (engine bay, passenger fender wall) to the ignition switch (top of steering column)?

5

Asked by Mar 02, 2014 at 03:28 AM about the 1989 Ford Bronco XLT 4WD

Question type: Car Customization

Due to repeated problems with the ignition actuator breaking and the actuator rod bending, I'm
considering making a push start button ignition system with a couple toggles for accessory power
and EEC/engine control, a button to start the vehicle, 1 hidden switch for security purposes, and an
in-line fuse.

The wires are 12 gauge. How many amps are running through the 2 yellow power wires?

What amp rating hardware would be a safe bet to use? 10a, 20a, 30a, 40a?

2 Answers

115,015

12 gauge wire is for up to 20 amps.

1 of 1 people found this helpful.
101,935

The most Amperage I've ever seen on those wires has been 25, but that was a surge amperage, normal runs around 20 amps.

1 of 1 people found this helpful.
Best Answer Mark helpful

Your Answer

Ford Bronco Experts

  • #1
    tennisshoes
    Reputation
    430
  • #2
    Js08016
    Reputation
    170
  • #2
    Clayton Cameron
    Reputation
    170
View All

Related Models For Sale

Used Ford F-150
2,519 Great Deals out of 193,860 listings starting at $799
Used Ford Mustang
595 Great Deals out of 36,129 listings starting at $1,800
Used Chevrolet Blazer
5 Great Deals out of 1,075 listings starting at $950
Used Jeep Wrangler
330 Great Deals out of 17,050 listings starting at $2,999
Used Ford F-250
468 listings starting at $2,550
Used Ford Ranger
153 Great Deals out of 5,398 listings starting at $800
Used Chevrolet Camaro
409 Great Deals out of 30,592 listings starting at $2,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.