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Thread: Where to buy new PMD and Harness?

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  1. #11
    Join Date
    Sep 2007


    While I was getting the air out, I noticed something looked "off". I tugged on the wires and it turns out the glow plug controller relay is broken. I can get one from Walt for $69.99.

    Three questions. First, is there something that causes this to happen that I need to address?
    Second, I am not a mechanic but it looks like it shouldn't be difficult to remove and replace, or will I need to tow it to a shop?
    Third, It has been a while but the last time I plugged in the glow plug warmer it caused the circuit breaker in the garage to pop. I assume it is related to the broken glow plug relay. Do I need to do something to avoid messing up the new glow plug relay?

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    Last edited by RipnRun; 03-19-2022 at 05:42 PM.
    1997 Silverado 1500 6.5. with 200,000 miles. New fuel injection pump at 132,000 mi. FSD Heat-Sync in bumper hole, marine fuel injectors, air induction kit all from Walt at 148,000 mi. Replaced OEM Fuel Filter Assy, wastegate solenoid valve, OPS and relay at 155,000 mi. Harmonic Balancer replaced. Red dot and White dot EGR replaced. New starter, Instant Heat glow plugs, and glow plug relay/controller at 180,000. Replaced hydroboost and master cylinder in 2016. New Interstate batteries 4/13/19.

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