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SLK/R172: 1998 SLK 230 Fuse 37 Blowing

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Old Jun 20, 2016 | 11:13 AM
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1998 SLK 230
1998 SLK 230 Fuse 37 Blowing
Hi, I have a 1998 SLK 230, when I turn on the ac/heater fan fuse 37 blows.
I have replaced the blower motor resistor as a first try but no luck.
Fuse 37 affects climate control fan, instrument cluster and radiator fan.
Everything works until I turn on the heater fan. Any suggestions on where to start my trouble shooting?
Thanks
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Old Jun 20, 2016 | 01:09 PM
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2007 mercedes ML420cdi
blowing fuse 37
have an eletrician look at wires for damage ,short circuit etc .If u don't have a problem there then replace blower motor, they tend to build up resistance as they ware out.
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