Download Wiring Diagrams and Pinouts

Below is a list of GM wiring diagrams and pinouts I currently have available for download.  Some of these are ADOBE Acrobat .pdf format files in a .zip compressed folder.  You will need to unzip these files and open them with adobe reader. 

Click on a link below to start the download

 

How to wire up a 94-95 LT1 PCM to a 4T60-E transaxle (105 kb)

How to wire up the newer electronic cruise control to your Fiero (397 kb)

How to convert a 2.8 Fiero ECM harness over to accept a 1227730 ECM when using a DISTRIBUTOR (5.94 kb)

How to convert a 2.8 Fiero ECM harness over to accept a 1227730 ECM when using a Distributorless Ignition System (9.78 kb)

Fiero C203 and C500 connector pinouts (5.96 kb)

How to wire up a 1998-2001 3800 Supercharged OBD-2 PCM to your Fiero (15.6 kb)

 

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