Post#7 » Wed Nov 01, 2017 6:28 am
A common fault for that age is that the center locker vacuum actuator tears. That leaks enough vacuum that the center opens up, and then as it tears further, the others get too little vacuum to hold. I'm in that situation now.
That affects the yellow light, not the red light.
The field fix for this is to pull the connector off of the single relay near the wiper motor. This keeps the vacuum from getting to the torn part, allowing the other lockers to work.
...Alan