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1977 Pontiac Wiring Diagram p.1 of 2


Wiring Diagram for 1977-1979 Firebirds

Below is the 1977 wiring diagram for Pontiac. It is also good for 1978/1979.

© 1998-2010

78blackbird@thepontiactransampage.com
Feel free to drop me a note. * I am looking for some good articles for the third and fourth gen birds. If you have any that you would like to see on this site send them to me and I will post them on my site.     

  • The information in here is just an outline.
  • The author claims no responsibility for the info contained in these pages. 
  • If unsure of any tip or modification seek a professional for the job.
  • In some states this may violate pollution laws
  • Check with your state on the laws.
  • Not affiliated with Pontiac or General Motors