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Old 01-29-2005, 10:46 AM
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Join Date: Aug 2004
Location: Kentucky
Posts: 29
quick question on glow plug fuse

Okay I just followed the instructions of Jim H in testing GPs on my 1991 350 SD. Great instructions! GP#4 is bad. I hope that explains the last 4 mornings of rough idle at start, blue smoke and dash GP light coming back on after I start down the road for about 30 seconds.
From a past photo taken by a forum member I got to see what the GP relay looks like without the cover. From that photo, the fuse is obvious between two screws. When I took the cover off my car's GP relay, I see no fuse. I see the control plug, the 6 wire plug, the red wire leading in, and something that looks like a small washer with like a dab of clear silicone over it.
Does my relay have a fuse I can replace? The number on the relay box is 012 545 90 32. Thanks
JT 1991 350SD
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