1989 Gm 6.2 Diesel Glow Plug Wiring Diagram

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Hi--Have 1988 C3500 the 6.2 engine. we brought home glow plugs worked, when plugged the wires the fast idle temp control stopped working. Needing help. Changed controller still cycling the plugs. am missing?

Hey everyone. I'm to whole diesel thing. recently inherited 1982 Chevy 6.2 K10. am to convert to manual glow plug control. have all this forum can't to understand anything. It's older pin controller. wires I hook for manual conversion.

I new the forum I some questions diagnosing father-in-laws 6.2L diesel glow plug system. truck a 82' Chevy Silverado 20. . two wire running the Glow Plug Controller the output post a wire plug plus to two spade connectors the front side the relay. . 1988 K5 Blazer 6.2 diesel .

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This to the way run glow plugs your GM 6.2 6.5 diesel engine. fires up time it you control long .

The relay shouldn't click continually, should click once (one click) key turned run (to signal turning the glow plugs, enabling glow controller). problem this area most either relay, the coolant sensor the water/thermostat crossover pipe (sensor plugged passenger's side engine water .

GM Diesel & Truck Discussion. 6.2L Diesel Engine. Status open further replies. Glow plug controller 6.2. Jump Latest . can run wire the glow plug switch one the small terminals the stock relay, ground other terminal. Power switch an ignition-hot source.

The stock plugs 12v. GM the resister pack the firewall reduce 24v to 12v. can buy 24v Humvee (HMMWV) glowplugs you want. you to straight 24v, will the following: 24v diesel starter 24v glow plugs 24v fuel shutoff 24v all other electrical items

If had 1982-84 6.2L diesel, needed update glow system, I'd convert the 1985-93 glow controller get new(er) glow harness for late 90's 6.5. And, I'd install AC-60G plugs Kennedy's Quick Heat plugs. plugs a good job our tests.

Re: 1982 6.2 Diesel Manual Glow Plug Conversion thing have remember attempting do mod that relay systems the glow plugs different 82-83 84+. GM this due the early relays failing, it be advantageous upgrade a reliable 84+ 6.2 system you poking there.

[1] Recommend Genuine GM/ACDelco replacement glow plugs; aftermarket glow plugs to swell. [2] Applies 1982 - 1984 model year 6.2L diesel only; relay built glow plug controller 1985+ 6.2L/6.5L diesel. [3] Obsolete part, switch be bypassed suitable replacement be found. [4] OEM spade connector fusible link pigtail, sold pairs heat shields.