• Hey Guest!
    British Car Forum has been supporting enthusiasts for over 25 years by providing a great place to share our love for British cars. You can support our efforts by upgrading your membership for less than the dues of most car clubs. There are some perks with a member upgrade!

    **Upgrade Now**
    (PS: Upgraded members don't see this banner, nor will you see the Google ads that appear on the site.)
Tips
Tips

MGB Relays

This is shown on the wiring diagram for the late US market MGBs. Might be different for your car, depending on the year.

Ignition:
C1=30 Brown
C2=87 White/Brown
W1=85 White
W2=86 Black

Starter:
C1=30 Brown
C2=87 Brown/White
W1=85 Double White/Red
W2=86 Black
 
Back
Top