Larry, thanks for your response.

The auxillary fan is operable, but not as expected. I cold started and they came on even though the a/c was switched off.

I turn the car on, turn on the a/c switch and the aux fans do NOT come on.

Should I replace the relay? there appear to be two. a preresistor and an aux fan relay in the B and C positions.

I performed a vac check w/ the 1 cm piece of paper. It appears as though the lines are all working.

Many thanks to all.

PW

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1992 300E (275,000mi) (SOLD)
1999 Honda Accord EX (sold)
2005 Honda Accord V6 Hybrid