I suggest posting in WANTED for the parts you need.

For the rest of it, you really need a factory service manual. In the meantime, this topic may help you:
viewtopic.php?f=22&t=10046 (at least with the basic assembly work)

contact harofreak00 via PM about the parts you need. He may have a good inventory. Or Morad Parts Company. They occasionally deal with Series 1 vintage cars.

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Click here for mod list for both cars
93 SSEi, 95 SLE (supercharged) 97 Buick LeSabre Limited
PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers

Rather than buy all that stuff piecemeal, what you really need is a parts car. Such a purchase would certainly be easier and cheaper.

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462 cubic inches of REAL Pontiac power.

Where are you located? Here is a good example of what was mentioned: http://portland.craigslist.org/yam/cto/1067018102.html

Wrong year, but they are available.

A 94 or 95 would be the best. If there are any differences between 94 and 95, I don't know what they are.

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights

None between those two years. And the harnesses from 92-93 are the same other than the EGR and the extra knock sensor.

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Click here for mod list for both cars
93 SSEi, 95 SLE (supercharged) 97 Buick LeSabre Limited
PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers

Where are you located at?

As far as your wiring is concerned, how radical do you want to go as far as engine management? No matter how you slice it, there will be some extensive wiring that has to be done...not at all hard to do, but very time consuming.

Some time ago I was able to complete an OBD2 setup to run a Series 1, which when coupled with an HP Tuner, was able to run custom tunes with ease. But the wiring (re-wiring) was very in-depth, and I didn't get a chance to fully test the system since the engine imploded, but it showed much promise. It's an option that is open to you if you have the time and cash for the tuner.

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2005 GXP - White Gold Pearl, no mods...yet.
2000 SSEi - Resurrection in progress. Built L67 w/L32 fuel rail, ported heads, and cam. Camaro front brake system, GXP cluster, and much more in planning.

The wiring is going to be a bear. You can use a donor's wiring harness, but you are going to need to repin the whole shooting match to get it through the Fiero's body. Did you keep the Fiero's wiring harness? You'll need the through body connectors, fuse blocks, etc. to route the donor's harness.

Your best bet is to do as suggested above: Select the year of SC'd motor and get both a donor vehicle's harness and a service manual for same.

You do have a few things working for you. They are both GM products. Even though 10 years seperate a TBI Fiero and a Supercharged Bonneville, a number of circuits and connector are common. You'll just have to add what's missing (and it's a short list.) If you are using the Fiero's gauge cluster and controls, then go find one off a 2M6 or GT model for the correct V6 tach.

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Bye Bye 1990 Bonneville LE... Now it belongs to my daughter
In the Garage: 2009 Subaru Outback, 1987 Camaro, 2006 SV650S, 1995 Regal 182 "ASANAGI", 1962 Ford Galaxie 500, 1995 Ford F150 XL 4WD, 1953 Farmall Cub

well i ripped all of the wiring out of the fiero there is nothing left but frame. i want to use ALL the bonnevilles wiring, (everything) gauges included. a donor parts car is what i really need. i will post an add in wanted. but the through body connectors are gone. i can extend the harness all i need, thats not a problem. thanks. and those links were good but anyone got a picture of the superchargers idler and tensioner bracket... also im in knoxville tn.

Here are a couple of pics you may like. One is a stock photo the other is my 93.

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2003 SLE 145K PLIM, Tune, FWI, 180stat, Magnaflow cat and mufflers
1968 Galaxie Country Sedan Wagon 390/C6/2.75

You clearly went way to far on your destruction. I couldn't possibly find the patience to scan and post all the circuits you'll need. You need the factory service manual for the year of motor/harness. No question. I suggest nailing one off of ebay. This is going to take alot of work now, whether you get a donor car or not.

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Click here for mod list for both cars
93 SSEi, 95 SLE (supercharged) 97 Buick LeSabre Limited
PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers

ok well how about this....... how hard is it to put a series 1 motor into a series 2 car...... also how hard is it to put a series 1 sc motor into a series 1 N/A car. i have plenty of series 1 N/A cars at my disposal and more then enough of you have all the parts i need for a series 2 sc car. so what combination is the easiest for me?

Edit: comment removed, I miss-read your post as still pertaining to the Fiero.

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Bye Bye 1990 Bonneville LE... Now it belongs to my daughter
In the Garage: 2009 Subaru Outback, 1987 Camaro, 2006 SV650S, 1995 Regal 182 "ASANAGI", 1962 Ford Galaxie 500, 1995 Ford F150 XL 4WD, 1953 Farmall Cub

Series 1 and Series 2 engines are totally different animals. S1 engines are all about torque in the lowend, S2 engines are all about midrange performance. You can do several things to each to change the output characteristics...cam, PCM, exhaust, etc...but there is no real benefit to fitting an S1 engine to an S2 chassis.

And there is no way you are going to be able to use the gauges from a Bonneville in a Fiero. You are better off using Autometer gauges all the way around.

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2005 GXP - White Gold Pearl, no mods...yet.
2000 SSEi - Resurrection in progress. Built L67 w/L32 fuel rail, ported heads, and cam. Camaro front brake system, GXP cluster, and much more in planning.

there is no dash no console no interior at all. so the gauges arent a problem but here is the new scoop i have access to a few 98 grand am gt and 99 grand am se cars... does anyone know how hard it is to put the sc engine in these N/A cars... my better question is: is the inside dash harness, gauges, and everything else different in the gtp and gt, se models?....... and the only reason i wanna use the series 1 motor is because i already have it and its now, newly rebiult. i will add the fiero is no longer a fiero. it is a metal tub with an engine cradle.. thats it. no interior no nothing i have room to put hummer gauges and wiring in it if i wanted to. i just need to know what donor car is best for me to use. i like the guages from the grand ams what is the scoop on using it as my donor?

anything on a 3800 into a grand am or monte carlo

bump

I'm getting lost in all your options. Can you please clarify exactly what you're up to? And be more specific when asking for compatibilities?

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Click here for mod list for both cars
93 SSEi, 95 SLE (supercharged) 97 Buick LeSabre Limited
PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers

Well, this is an H-body forum...not a Grand-Am or W-body forum, so you probably won't find much info here on those. I *can* tell you that you would have an easier time fitting the 3800 to the Monte Carlo since it's a W-body and 3800s came in those stock. Minimal modifications necessary on that setup. The Grand Am, on the other hand...not so friendly.

But as Willwren said, you need to narrow your focus and concentrate on one idea. We can help, but you have to be clear on what you want to do, instead of throwing out all these "what-ifs".

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2005 GXP - White Gold Pearl, no mods...yet.
2000 SSEi - Resurrection in progress. Built L67 w/L32 fuel rail, ported heads, and cam. Camaro front brake system, GXP cluster, and much more in planning.

While the 3800 was factory on some W-bodies, the Series 1 was not. We also need a clearer picture of the YEARS of bodies you're asking about.

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Click here for mod list for both cars
93 SSEi, 95 SLE (supercharged) 97 Buick LeSabre Limited
PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers