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Old 05-21-2002, 03:41 PM
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Unhappy Whats this for, and fans inop

I came across a 74 240d that im now restoring. Neither blower works but compressor comes on. I can ground the a/c fan and get it to work manual, so Im assuming a switch or blower resistor is bad, but cant find resistor, and switch look difficult to access.

Also on dash next to buzzer just right of steering column there is a little push-button switch with black rubber cover over it. Lights dim when I push it, but dont see anything working. Any clues?


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Old 05-21-2002, 04:20 PM
The Warden's Avatar
Certified diesel nut
Join Date: Mar 2002
Location: Pacifica (SF Bay Area), CA
Posts: 2,946

The button almost sounds like a manual glow plug control. My old IH Scout had something like that...but there was a light next to it that lit when the GP's were operating.

Just a thought...

2001 VW Jetta TDI, 5 speed, daily driver
1991 Ford F-350, work in progress
1984 Ford F-250 4x4, 6.9l turbo diesel, 5 speed manual
Previous oilburners: 1980 IH Scout, 1984 E-350, 1985 M-B 300D, 1979 M-B 300SD, 1983 M-B 300D
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