I have completed the tune-up on my '85gt. Replaced the air and fuel filters, new plugs and wires, new distr cap and rotor. The car runs great. However, I did not change the ignition module. I have been reading all the subjects on the ignition, and I am about afraid to change mine. It seems to be a very tempermental part. Mine looks like it has not been repl in a while, at least not in the 3 years I have had it. Is it as risky as it sounds to repl and if i should repl, which one is the best to use? Thanks for the info.

PS - Being a beginner mech, I cannot emphasize how comforting it is to have this forum as a back-up. I have had my car three years and did nothing but change the oil. Since joining the forum, I have repl the a/c compr, done the tune up, repl shocks and a headlamp(what a chore!). So thanks a bunch. I will put a picture in my sig as soon as i find out how.

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'85 GT 2.8L Auto 120K DRIVEN DAILY

Here is a saying to remember "if it ain't broke, don't fix it". If your car is running fine with no problems, don't worry about it. It will fail eventually, when you least expect it, so carry a spare. They are easy to change so it really isn't that big of a deal.

quote Originally posted by avengador1: Here is a saying to remember "if it ain't broke, don't fix it". If your car is running fine with no problems, don't worry about it. It will fail eventually, when you least expect it, so carry a spare. They are easy to change so it really isn't that big of a deal.

Yep, gotta agree. Keep a spare and the tools to replace it. It takes a small philips head screwdriver/or a 7/32 socket and driver (or 5.5mm). These tools can remove the cap and remove the 2 module bolts. Good luck.
]
Phil

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86 GT TTops, 3.4 Auto.....bought from Doug of Fiero Warehouse

GM auto tech for 27 years. Specializing in electrical and computer problems. I will never be able to return as an auto tech again. I get EXTREME satisfaction helping others and will go to Extreme levels to help you if you need help. I have LOTS of free time on my hands. This forum and the help I give, allow me to have a purposeful life. Bring on the problems......LOL.

thanks. I will just keep one for changing later.

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'85 GT 2.8L Auto 120K DRIVEN DAILY

quote Originally posted by GTDude: Yep, gotta agree. Keep a spare and the tools to replace it. It takes a small philips head screwdriver/or a 7/32 socket and driver (or 5.5mm). These tools can remove the cap and remove the 2 module bolts. Good luck. ] Phil

I always tell people to just replace the hex-head screws with phillips head screws.

quote Originally posted by waddisme: thanks. I will just keep one for changing later.

ya dont mess with it. Smart to keep a spare and make sure you have the right tools to change it in a little bag.

I know that I'm restating the obvious here, but - always use a substantial amount of the electrical grease properly when installing the ignition module or it will be like a french fry in no time. And don't scrap the grease off the module you are replacing and put that on the new one, it's not enough. Ed

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