92 ssei bonnie missing, surging when under a load. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-28-2006, 08:56 AM   #11
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That extra inch of bare wire is ok, since it is a ground and that shouldn't hurt anything. The negative/ground cable from the battery goes straight down to the engine block..right next to the starter. It shares the same plastic conduit as the positive battery wire and looks like it goes to the starter.

I like the nighttime light show test. It can make finding an issue like this very quick and easy. Hardly any work at all...
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Old 04-28-2006, 08:57 AM   #12
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I have to go to work..........The Dr. awaits............So I will get back with you later on ...........Thanks again for all the help...........This is the best club ever....I must say......You guys know your Bonnies............
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Old 04-28-2006, 10:03 AM   #13
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Okay....I was thinking that maybe that ground could be bad loose or something......because it would make since its under the car where the water could get to it. I just checked with the junk yard we deal with for our body shop and he finally got a couple cars in that will have the icm/coils on it. So I am going to pick that up after work..and see if that helps any at all.....But I think you are right.......It has to be a bad groud wire.......I hope so..I love this car and My husband has been sick so I've been working on it myself.......Do you think I should swap the icm/coils or just look into the ground wiring trouble?
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Old 04-28-2006, 10:21 AM   #14
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I think you can do it all.

To swap the ICM, remove the connector on the front of it. 7mm bolt that stays in the connector. Then remove the three coils, noting the spark plug wire positions before you do so. (The plug wire order may be listed on the radiator support sticker also) The coil bolts are 5.5mm or about a 9/32 (I think) standard socket. Lift each coil up. and the ICM is simply laying there.

Hardest part of the job will be locating the right size to get the coils off. Most sets don't have 5.5mm in them.
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Old 04-29-2006, 12:11 AM   #15
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Okay...........I just went out and started my car..........pitch black outside and no fireworks.....so that means that the wires and plugs are ok..........right?.........The junk yard forgot to lay out the icm/coil pack so now I have to wait until monday for that job.........Where else should I check for a bad ground? It really acts up under a heavy load as in going up a good hill it surges and cuts out when you give it alot of gas. Any other ideas would be appreciated.
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