Kurt,
thanks for your energy and advise.
The cooling fans are OK (I think anyway) because they came on when I had been idling for a while after having come off the expressway after about 20 minutes of over 65 mph.
The heater blower runs at all speeds , but the cooling fans will not come on when the 4 HVAC settings are chosen.
I don't think the compressor is coming on.
I performed projectSHO89's diagnostic with the ohm reading between 3 and 4 (he said 5 was good) and the DC voltage came out at around 13.
I will do some more poking around tomorrow and look for what you have suggested. I know relay R4 (A/C clutch relay) is OK since I swapped it with R6 (starter relay) and the starter activated.
thanks again
Roger
