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  #1  
Old 09-02-2007, 09:13 PM
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Join Date: Nov 2006
Posts: 38
79 450SL- Where's the darned aux fan relay???

FINALLY got the ac fixed! Now with the heat outside & ac running the aux fan won't come on. Where IS this relay at!!! I already checked the usual stuff; fuses, jumpering the receiver temp switch but no fan. I'd love to take her out & enjoy the ac but with 100+ temps its too risky. PLEASE, can anyone steer me to the location?

Last edited by jjewell; 09-02-2007 at 09:23 PM.
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  #2  
Old 09-02-2007, 09:58 PM
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Join Date: Apr 2000
Location: Falls Church, VA
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It's above the fuses in the right kick panel. It should be labeled "6".
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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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  #3  
Old 09-02-2007, 10:26 PM
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THANK YOU!!! Thats gonna be tomorrows chore. It'll be SOOOO nice to drive it with AC & not worry about overheating!

THANKS AGAIN!!
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  #4  
Old 09-03-2007, 07:29 AM
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Good luck.

Just remember, though, the aux fan won't bail you out if the other pieces of your cooling system aren't working right: fan clutch, radiator, and thermostat.
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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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  #5  
Old 09-03-2007, 07:15 PM
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Join Date: Nov 2006
Posts: 38
Yep, belts, thermostat, fan clutch & water pump all new- radiator boiled out & fresh coolant mix put in!.

And another big YEP the aux fan relay #6 had a bad coil. Replaced it & all systems check good both through eng temp & refrig temp switch. Sure is sweet to have AC in the car & not worry about the fan!

Thanks again!!
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