glow plug control module
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Freshman User
Joined: Dec 2010
Posts: 35
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From: houston tx.
glow plug control module
2005 6.0 1 ton dully 121,000 miles have had no other problems except the normal 6.0 oil leaks (LOL) problem..... no start -was traceing wires looking for chafeing or broken wires and found wire plugs that hooks to glow plug module ,wiggled and started up, several times i have had to wiggle the wires on the glow plug module to get my truck started. today wiggle wiggle and no luck ,module is hot after a few tries to start is this normal for this part and is there a way to test this part
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
yes its tested with an inductive amp meter and you can also ohm out each plug but sounds like you may need a new harness
23. Troubleshoot the glow plug system (you need a clamp on inductive ammeter). Test each glow plug module wire bundle separately, then test each glow plug. Look for any amperages lower on one side or lower to an individual glow plug. From each module you should see 200 A at first dropping quickly to 35-37 A if the GPCM is OK. Both modules should read apprx. the same. Each glow plug will draw 8-10 A. Or you could check the resistance in each glow plug - should be less than 1 ohm
23. Troubleshoot the glow plug system (you need a clamp on inductive ammeter). Test each glow plug module wire bundle separately, then test each glow plug. Look for any amperages lower on one side or lower to an individual glow plug. From each module you should see 200 A at first dropping quickly to 35-37 A if the GPCM is OK. Both modules should read apprx. the same. Each glow plug will draw 8-10 A. Or you could check the resistance in each glow plug - should be less than 1 ohm
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