Brian Doss said: >Is it the ceramic resistor that actually controls the kick-in of the fan? Lately, I >think that my fan only kicks on just before the point at which the engine's >ready to overheat. I can't get the fan on my '85 Westfalia to come on at all. When I pull the plug from the thermo switch and jump the terminals, both speeds work fine. When I run the AC, the fan works in override mode, but it won't come on during normal operation, even with a new thermo switch. I checked the old thermo switch in a pan of water--no thermometer available when I need one--and the low speed switch closed for sure at boil. I never got continuity on the high speed side, and I did not think to check the new thermo switch before installing it. My Bentley Manual doesn't appear to picture another activation device in the circuit. Is my new thermo switch bad? The van will sit at long traffic delays and peg the temp guage with the warning light blinking, but no fan. So far it hasn't boiled, but I expect steam at the next long light. Any ideas. Ranger Jim |
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