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Thread: Tow circuit

  1. #1

    Default Tow circuit

    Yet another question on my 99 Silverado K1500:
    Is the "tow" circuit on a separate fused circuit? The indicator light on the dash doesn't light up and the RPM doesn't change when I engage the button on the end of the shifter. How do I trouble shoot this? It's not even addressed in the Haines Service Book that I have.
    Thanks

  2. #2
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    Default

    Usually the button on the shifter goes to hell.
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  3. #3

    Default

    2nd to the Button going out on the Shifter..........There is a wire that runs down the Shifter and down to the base of the Steering Column and over-time the wire has gotten Pinched and has Broke.....below is a link that shows where the wire is located, at the base of the steering column.

    Here's a picture that I located showing where the wire is located at the base of the Steering Column



    Last edited by 99'HEARTBEAT; 06-05-2011 at 11:47 AM. Reason: Added Infor.

    MIKE


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  4. #4

    Default

    Interesting how the switch goes bad. I hardly ever used the darn thing......
    I can understand a pinched wire however. I have a tilt steering wheel. Perhaps that's what pinched it.
    Is it the red wire in the picture that get pinched or the one with the connector?
    Thanks

  5. #5
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    The red wire. and yes the switch or the wire.. they are both to fault, i had forgotten about the wire problem...
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  6. #6

    Default

    Well, I checked it out and sure enough; it was the two small wires going up to the shift lever. They had both broken. I spliced them them back and it seems to be working just fine now.
    Thanks

  7. #7

    Default

    Quote Originally Posted by attaboy View Post
    Well, I checked it out and sure enough; it was the two small wires going up to the shift lever. They had both broken. I spliced them them back and it seems to be working just fine now.
    Thanks
    Good to hear you got that issue fixed. I have had the wires break a few times. I will warn you though that unless you soldered them together, its very possible that they will come apart again. I have fixed mine 4 times now I think, and the last one is the only one that has lasted.

    2001 Silverado Reg. Cab Not-So-Base -- SOLD
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  8. #8

    Default

    Yep, I soldered and shrink tubed them. I also added a sleave of sorts to keep it from rubbing through on the fiber optic cable (I assume that is what it is). The broken wires look to be a poor design with cable too short to last. Yet another example of cutting corners in the design and manufacturing processes. It should be a factory recall but that will never happen.......I guess I'll have to keep an eye on this over time.
    Thanks

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