If you're ordering in quantity you can get Weatherpak, Metripak, and other Packard/Delco style harness connectors from Waytek Wire. They also have high temp wire, crimp tools for the connectors, etc. They have a WWW page at www.waytekwire.com
For smaller quantities, White racing seems to stock some GM connectors: members.aol.com/bigturbo1
These are tester/scanner cables that plug into the OBD-II connector, from the GM parts counter:
12143692 gets ya a 3ft cable
12143693 gets ya a 8 ft
12143694 gets ya a 12 ft
Or you can build your own from Pioneer/Packard parts
12110252 OBDII Shell,
12110254 OBDII Clip (retainer for the shell),
and 12047581 Male Terminals
This cable may be available free as a sample.
a 1 ft cable, ALDL on 1 end and 8 pin DIN on the other, is available from the auto parts store, OTC Part #212633.
AMP has a connector that mates with the standard Bosch injector wiring harness (ie goes where the injector would). AMP 1-144545-0 mates with the standard Bosch style injector harness connector. The crimp blade terminal that goes in it is 142754-1.
The remote coil HEI (small cap) has two low voltage connectors. The black one has the tach signal, the grey one has the large power lead.
GMP Parts has GM ECM connectors in stock, at (916) 685-1055. Ask for John Flagg
Some GM part numbers:
If you're building/repairing a harness for the 1227165/727/730/749/808/747 ecms, you'll need 12047946 and 12045575. For 3 connector ECMs you'll also want 12089591. These are "car side" ECM connectors. Crimp terminals for the above are 12089660.
The connector inside a 747/808/148 ECM is Packard #12020756. The yellow connector on a 730/749 is 12048046
For a late model pickup (2 32 pin connectors, dark blue/dark red), the harness
12110113 Dr Red
12110115 Dr Blue
The mating parts inside the ECM are:
12129340 Dr Red
12119342 Dr Blue
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