18+ 1987 Buick Grand National Wiring Harness. This engine harness was removed from an 86 buick grand national and was saved in a box for the past 20+ years. The '7730 and related service numbers was used in many gm vehicles between 1987 and 1994, on a number of engines, most commonly found on 60 degree v6 and 1990+.
![[DIAGRAM] 1987 Buick Regal Grand National Wiring Diagram FULL Version](https://i2.wp.com/www.gnttype.org/techarea/images/wiring_images/enginecomp.jpg)
This section of the harness has connectors / plugs /. A forum community dedicated to buick regal and grand national owners and enthusiasts. This engine harness was removed from an 86 buick grand national and was saved in a box for the past 20+ years.
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This engine harness was removed from an 86 buick grand national and was saved in a box for the past 20+ years. Come join the discussion about performance, modifications, classifieds,. There’s 9 different sections (harnesses) in the car that all comprise the entire vehicles wiring harness setup.
A Forum Community Dedicated To Buick Regal And Grand National Owners And Enthusiasts.
This section of the harness has connectors / plugs /. Correct for turbo models only. Free shipping for many products!
It Is In Good Shape And There Is Only A Few Issues.
Need a radio wiring harness for your 1987 buick grand national? This upgrade wiring harness set is designed to eliminate potential weak spots in your buick's electrical system such as the poor factory wiring. The '7730 and related service numbers was used in many gm vehicles between 1987 and 1994, on a number of engines, most commonly found on 60 degree v6 and 1990+.
