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HOW could it be anything else than my booster?
When I cap the check valve at the booster the brake light goes out which would mean that everything from that point back works properly, right? If I eliminate the booster from the vacume system (and cap the hose) the light goes out and pump sound fine. If I plug the hose into the booster my pump sounds funny and never builds enough presure to make the light go off.
The check valve at the booster is only used when the tuck is off right? To maintain the preasure? I guess if it leaked, while runing, I would loose vacume, but when I cap it my light goes out..... so it seems like i does not leak.
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1994 F-250 IDI Turbo 4x4 Auto
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