Calling all 1997 FSM owners - 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 02-23-2006, 07:13 PM   #1
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Default Calling all 1997 FSM owners

Could someone scan the pages that show the pin setup for both wire harness connectors that plug into the PCM and send them to me in a .pdf file or something similar. I got the diagram for the firewall connection from randman1, now I just need the PCM side of things.

e-mail is awbaker at fit.edu, thanks.
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Old 02-24-2006, 12:04 PM   #2
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I have a lot of diagrams as well as the 97 SSEi is it just the PCM pin out you need or the engine wiring.diagrams. Dan
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Old 02-24-2006, 01:59 PM   #3
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I have the '97 FSM and I assume you mean connectors C101 and C200. It'* 8 pages (from 8A-202-0 to 8A-202-7), but I don't currently have access to a scanner. If you don't get the info you need from anyone else, I could make hard copies of those pages and send them by snail mail (1 day really 'cause we're both in FL) at the low cost of only $5 per page .

Just kidding!!! :P I'll send them for free, really. PM me if you decide you need them, just remember that I'll need to know prior to 4:00 pm this afternoon or you'll have to wait 'till Monday...sorry.
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Old 02-24-2006, 02:04 PM   #4
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Just the PCM pin out. I already got the diagram for the connector on the firewall. As far as I can tell from what I've done already, there isn't much of a difference between the 96/97 harnesses. So I'm looking into whether it may be possible to use my harness if I change some sensor plugs and pin locations.

I'll post a spreadsheet over at L67swap.com so I can get some assistance with the electrical part of the swap. I'm decent at the mechanical stuff, but the 10,000 wires running all over the place confuse me.
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Old 02-24-2006, 02:20 PM   #5
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Do you want me to send those pages to you?
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Old 02-24-2006, 09:09 PM   #6
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Why not buy the 97 manual?
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Old 02-24-2006, 11:16 PM   #7
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All I need is a couple of wiring diagrams so I can swap in everything I have planned. I see no need to have both 96 and 97 manuals. Lash is pretty close to where I live, and is sending me the diagram I need. If it all goes well I'll have a pretty quick Bonne in a few weeks.
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Old 02-26-2006, 11:11 AM   #8
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If I understand correctly you are upgrading your 96 to a 97 engine and tranny the two harnesses would be similar except in the case of the SSEi'* where there is a different tranny being used and more wires going to the PCM to control the tranny but the wires going through the firewall to the inside of the car should be the similar. I have the harness out of my 97 SSEI just laying in the trunk is there any thing you want me to check on it, I can take a photo of the plug and let you know which colour wire goes where by resistance measuring each wire.
I know the one difference between 96 and 97 gauges is the fuel gauge on 96'* the sending unit feeds the gauge and taps off for the PCM where on 97'* the fuel sender feeds the PCM which then feeds the gauge. So there is at least one wire different off the PCM. Dan
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Old 02-26-2006, 11:40 AM   #9
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Yep, the fuel guage setup is really the biggest difference I could find. Could I leave the wiring for the fuel gauge as it is and just leave an open pin on the PCM?

Other than that, it looks like the 96 has an extra ground wire and there is a slight difference in a couple of fuse circuits. The Riv harness I'm using is identical to the SSEi harnesses except it doesn't have the pins to go to the boost gauge, so I'll have to wire that in as well. This electrical crap is the hardest part of the swap. What happened to the good ol' days of carbs and turbo 400'*?
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Old 02-26-2006, 02:15 PM   #10
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I have a 96 SSEi gauge pod from one I stripped a few years ago if that will help with your swap. Dan
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