I know that my aux pump is working because if the heater is on I can hear, and feel the pump vibrating.

I thought that for some reason the pumps tend to draw extra current and fry the ACC.

I just bought a multimeter, how would I use this to check out the aux pump?

Craig

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1994 E420, Pearl Black/Black. 2.82 rear diff., AMG front spoiler, painted lower half. SOLD

1972 & 1974 BMW 2002tii's.