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 (47.6 kb)

How to wire up the newer electronic cruise control to your Fiero if it didn't have factory cruise (47.9 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 1996 3800 L36/L67 OBD-2 PCM into your Fiero (21.3 kb)

Works with PCM Service Number:

 

How to wire up a 1997 3800 L36/L67 OBD-2 PCM into your Fiero (21.8 kb)

Works with PCM service Number:

 

How to wire up a 1998-2001 3800 L36/L67 OBD-2 PCM into your Fiero (15.6 kb)

Works with PCM service Numbers:

 

How to wire up a 3800 PCM from a 1994-95 C/H/G-body car or U-body Van to run a 3800 Series 2 L67/L36 in your Fiero (21.3 kb)

Works with PCM service Numbers:

 

How to wire up a 3800 PCM from a 1994-95 Buick Regal to run a 3800 Series 2 L67/L36 in your Fiero (20.1 kb)

Works with PCM service Number:

 

 

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