Medium and Heavy Trucks
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Hi my name is***** will be glad to try top help. If the switches and harness connections check good then verify any small leaks in the system or possible air left in the system that would cause the light to come on. Try bleeding the brakes thoroughly to remove any remaining air. Let me know
Yes the booster works off engine Vacuum and some have a separate electric vacuum pump. Click here for a test video.
There is a check valve fitting inline going to the booster as well on the vacuum line from the engine... Check for a faulty check valve
Hi, I will send this over to customer service for you. Experts have nothing to do with the billing.
thanks for the update, Let me see if it opens thing up when I post a reply to allow you to rate.
Did customer service connect with you and get everything resolved?