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Thread: Truck won't start

  1. #101
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    Default Re: Truck won't start



    That resistor is parallel to the coil, you should not see the resistance indicated unless you isolate the resistor from the coil.

    Anyway, I'm working on another picture. Reference page 8W-170 in the manual I "loaned" to you.

  2. #102
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    Default Re: Truck won't start



    OK, with an ode to Alice's Restaurant, here are the color photos with the circles and the arrows...

    First, the ignition switch sends current to the solenoid, which has it's own ground. As the current goes through the coil, it creates an electromagnetic field, which pulls the contactors closed.
    If you have power here, and a place for the current to go, the electromagnet should pull the contactors together.




    When the contactors touch, the current should flow from the battery terminal, to the starter and ECU terminals.

    IN



    OUT


  3. #103
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    Default Re: Truck won't start



    SO! In a nutshell, if you don't have power coming in from the battery, there is nothing to go out to the starter and ECU.

    Since you have taken the relay apart, post some pictures, I wanna see the contactors.

  4. #104
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    Default Re: Truck won't start



    Thanks for the pictures. Only one thing I found that's different. Where you point out that it goes to the ECU on Jeepforum someone said it was to the fuel pump or something related to that. Also on the plate you can see an F right above the plug which makes me believe it has to do with the Fuel. (SOL Starter solenoid. I ignition. G Ground). You would know better then I would but I guess just something to think about.

    Upon request here are some pictures from the inside of the relay.


    There was another piece with the bolt and I'll get you the picture tomorrow with that set up. I you want better photos to keep for later I can take some better ones.

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    Default Re: Truck won't start



    dscowell previously posted:
    "Where you point out that it goes to the ECU on Jeepforum someone said it was to the fuel pump or something related to that."

    They were right, the orange wire does go to the fuel pump, among other things. When you reference pages 8W-170, 8W-181 & 8W-182, you see everything that draws power through the starter relay.

    Looking at your pictures, the contactors don't look like they have been hot, can't look for pitting without separating them.

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    Default Re: Truck won't start



    Was able to get my truck started by taking a screw drive from my positive to the ignition wire on the starter relay while someone turned the key. Took my truck to a shop and they said that two wires got chewed up and that was my problem. Thanks everyone for helping.

  7. The Following 3 Members Say Thanks to dscowell For This Post:

    Jim (April 7th, 2016),Rick (April 8th, 2016),Tom (April 7th, 2016)

  8. #107
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    Default Re: Truck won't start



    Glad to hear you got it.
    ___________
    We do not remember days, we remember moments.

    Cesare Pavese

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    Default Re: Truck won't start



    xaza previously posted:
    "Glad to hear you got it."

    Ditto
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    -.- . ----- .-- - -.-.

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    Default Re: Truck won't start



    Glad you got it figured out.
    Got to love the renex wiring.

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    Default Re: Truck won't start



    Nice Dante, perseverance pays off!

  12. #111
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    Default Re: Truck won't start



    Fixing the 2 wires shouldn't be a huge deal, now that you know what is wrong. Glad that you got it figured out.

    My Scout actually has a switch wired into the dash that does the same thing as jumping the starter with the screwdriver. My buddy owned it prior to me, and he got tired of having to crawl under the Scout to start it. He said he would get funny looks at places like gas stations when the Scout would start with him under it and nobody in the cab. Most of the time the ignition switch worked, but it wasn't completely reliable. It might be worth considering wiring something in. You could also get one of these as it does the same thing. Cheap to and easy to carry around with you. Handy for doing things like compression tests or testing for spark.

    http://www.amazon.com/Actron-CP7853-...=sr_1_2&sr=8-2

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