1991 Buick Riveria Electrical Problem

The Riveria had been running fine up until about 5 weeks ago then one morning it wouldn't start. The car was towed to a repair shop and in a couple of days they said that problem was with a bundle of wires they
called the engine harness. This consists of about 20 separate wires. It has now been over a month and they are telling me that this part no longer exists but for around $1200 they can rig something up. I asked them to return the part they removed and the mechanic said that they had giving the part to someone else to try and match but it was lost.
I get the feeling I'm being hosed here. Does such a part exist for a 1991 Riveria and where can I get one?
Any help would be appreciated.
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I'm more than certain if:
You get in touch with: Painless wiring or one of the other wiring harness manufacturers, they can fabricate one.
The car was in their care and custody, so they are ultimately responsible to return your original part to you. Also, if you are lucky enough to find a salvage yard that has a Riviera of that vintage, that wasn't stripped yet. the harness can be salvaged from it, and put into your car.
$1200.00? where do you live, I can do that job for considerably less, and guarantee the area I repaired for a year.
Refinish King
PS Advise the shop that now has your car, if your original harness is not returned to you, uncut. You will retain an attorney and institute suit.
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Captain Compassion wrote in alt.autos.gm

A junk yard comes to mind. The engine wiring harness is simply all the wiring for the engine. And I find the whole thing questionable without more info. However, sometimes a connector goes bad and the only way to replace it is to replace the harness. Supposedly.
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You can replace the special connectors:
I have them all in stock!
Refinish King
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Refinish King wrote in alt.autos.gm

Well, of course you can. But take a look at some of the car books and they all say that you have to replace the harness if you break a tab off of a connector. Notice the "Supposedly" I put on the end. Several years ago, a neighbor bought a toyota mini van that had had an engine fire. All the wiring was destroyed, but the interior of the van was still good. He completely rewired the van, using wire he bought at a hardware store. And when done the van ran fine for atleast another 6 or 7 years.

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GM sells harness connectors for XYZ number of years. Some companies like Motor-Mite reproduce some.
If you do a lot of wiring work, you have 2 choices. Either hack up some old harness for connectors. Or buy OEM in bulk before they get discontinued. Used connectors can have the pins removed with the proper tools. Charles Someone who saves connectors off cars before they get crushed.
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