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  1. ECM, diagrams for 91-96 3800

    General Tech
    A buddy roped me into helping with an engine swap. Motor is from a '86 Regal, going into the nose of a baby motorhome. What's throwing me - the ecm has four square connectors, and I haven't seen any schematics showing that - all the schematics show two connectors. The ecm shows serv.# 16132792...
  2. ECM Sense Fuse Under hood blows

    DTC's, Problems & Troubleshooting
    1999 pontiac grand prix gtp supercharged vin 1 There is a short between the ECM Sense fuse and the PCM. I have done all the basics, visual inspection, meter, etc and cannot figure out how to locate the short. There is a wire that connects the bottom of the fuse to the PCM through the fuse...
  3. Swap an l67 into a LeSabre, need new ECU?

    FWD 3800 Engine Swaps
    So I have a quick question, I have a 2002 LeSabre with a cracked head and I want to drop a supercharged L67 into it, but a friend warned me about needing a different ECU to match the new motor. I can't seem to find anywhere online where this process has been done and I'm new to "flashing" ECU's...
  4. 97 Bonneville Engine swap

    FWD 3800 Engine Swaps
    I have just completed the engine swap, putting a 3800SC from what I believe is a 99 Grand Prix GTP into my 97 Bonneville SSE which was normally aspirated. Pretty straight swap from the bolt up perspective. Swapping the flywheel was the only change I made to get it bolted up. The electronics...
  5. 2002 Park Ave Ultra w/stock SC Upgrade

    I am new to the site. I am interested in putting a smaller pulley on my supercharger. If I do this where can I find a PCM ECM for my model and year car. All the ones I see are for Regal or impalas or something else. One person told me I may be able to use a PCM from a regal but I'm not sure. I...