Jump to content
Forums Gone... but not forgotten!
Pontiac of the Month

Debbie Harris's 1969 Grand Prix

2022 September
of the Month

  • Welcome!

    Welcome to Forever Pontiac, where we keep the memory of Pontiac alive with great discussion, maintenance tips, restoration/modification progression "blogs" and help from professional & DIY mechanics. Also, wonderful competitions that occur regularly. Please register for an absolutely free account to join in!

color coat wire diagram

Recommended Posts

I have a 96 sunfire by 2.4 and no one seems to know the color coating for down pipe oxygen sensor from the oxygen sensor to the next clip there are four wires a purple a brown and two lighter brown wires same in color need to figure out witch is the signal wire and ground I assume the two wires that are the same color are heat wires

Link to comment
Share on other sites

Tired of these Ads? Register Today!

The two lighter brown should be the O2 heater. The purple should be the O2 + and the brown should be the o2-

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

Tired of these Ads? Purchase Enhanced Membership today to remove them!
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.