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#1
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Blower only works with A/C on?
I have a 1974 280C with A/C. The blower motor only comes on when the A/C knob is turned on. Makes things kinda cold in the winter.... Any advice?
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#2
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The heat and AC blowers are separate. The AC blower is engaged when you turn the AC on. Sounds like you have a problem with one or more of the following:
- AC switchover valve may be sticking, not allowing current to the heater blower - Heater blower fuse is blown - Blower switch bad - Heater blower bad (very bad news) There are a lot of posts on the Vintage Forum on this.
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Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe |
#3
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Do you know of somewhere online there is a diagram that shows the wiring and relative location of these items. I have a Chilton book but it spans too many years and models to be useful.
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#4
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Send me an email and I'll send it to you.
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Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe |
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