Best Answer

I am not an expert on the 1990 Grand Prix but on a GM product I would look for a round flasher assembly located near the fusebox downunder on the left side of the dash.

User Avatar

Wiki User

2005-03-07 16:42:26
This answer is:
User Avatar
Study guides

Add your answer:

Earn +20 pts
Q: Where is the turn signal relay in a 1990 Pontiac Grand Prix?
Write your answer...
Still have questions?
magnify glass
People also asked