GLOW-PLUG/WIRE BURNED TO OBLIVION

MIDNIGHT RIDER

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I just pulled my hard-worked 6.9 at some over 1/2 million miles.

I have never had a starting issue, no matter how cold.

A/C DELCO glow plugs and a new controller were installed over 10 years ago.

When I got the engine out in the light, I found the third from front/driver side glow-plug wire hanging with all insulation burned away.

The plug itself was gone except for the threaded part in the head.

What could have caused this??

I never knew it was gone until I pulled the engine.

Even in the coldest weather, it hardly turned over before it fired.

I have no idea how long ago the damage occurred; but the pocket was near full of oiley pine-needles, dead bugs, etc., so it has been a while.
 
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