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Posted: Sat Nov 27, 2004 8:23 pm Post subject: No high blower speed on 1981 Elcamino
Hi all,
have a 81 elcamino which does not have any blower action when the switch is in the high position. How do I go about trouble shooting this?
Thanks in advance for your help.
Tim
Necoa #: 2314
Location: 20(HI)
Joined: Jan 29, 2004
Posts: 3653
Year: 1979
Model: El Camino
Posted: Fri Dec 10, 2004 5:52 pm Post subject:
Hate to disagree with you Engineer but if you had a blown fuse or a bad relay you wouldn't have any fan speeds. _________________ 1979 El Camino\r\n1955 Chevrolet Del Ray\r\n1962 Corvette\r\n1966 Corvette Coupe
Necoa #: 3296
Location: Granite Bay, CA
Joined: Jun 04, 2004
Posts: 292
Posted: Fri Dec 10, 2004 11:55 pm Post subject:
Mrapii wrote:
Hate to disagree with you Engineer but if you had a blown fuse or a bad relay you wouldn't have any fan speeds.
This depends on how the wiring circuits are setup.
On many of the A/C cars there is a seperate power and switching relay just for high speed. Blow the power fuse of burn out the relay and no high speed. Although it would seem possible that the failure mode would be a slower fan rather than no fan depending on how low speed fan switch contacts make or break on high speed.
Now for non-A/C cars you statement is entirely correct
Steve _________________ Project: '68 El Camino SS 396 clone w/4spd
Daily driver: 2001 Mustang Bullitt
Necoa #: 2314
Location: 20(HI)
Joined: Jan 29, 2004
Posts: 3653
Year: 1979
Model: El Camino
Posted: Sun Dec 12, 2004 3:22 pm Post subject:
Maybe I don't know where it is but I can only see one relay for the AC blower motor on my 1979 El Camino. Do other 5th Gens have two relays and where are they located? _________________ 1979 El Camino\r\n1955 Chevrolet Del Ray\r\n1962 Corvette\r\n1966 Corvette Coupe
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