best wiring diagrams

SC_crawler

Registered User
Haynes and Chiltons are usually junk.

Is there a good online source... should I just try to find a dealer's book?

I need it specifically for an 89
 
if somody has a link to some it would be cool because i also need a 89 diagram. for my mustang project...
 
This the link to the Helm Manual site for new: http://www.helminc.com

You want the EVTM manual or they also have large page wiring diagrams of the elecitrical wiring by year. Like the other poster said you can find these on Ebay a lot. Many are no longer available from Helm or go in and out of print.
 
Here is a pic of the book for my 90. Anything to do with SuperCoupe always has a note or something.
 

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