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-   -   A/c fan wired to run constantly source of battery drain? (https://mercedesforum.com/forum/mercedes-e-class-9/c-fan-wired-run-constantly-source-battery-drain-2778/)

Dehaven 10-31-2004 11:10 PM

A/c fan wired to run constantly source of battery drain?
 
Help please.. my a/c fan the one behind the radiator) wasnt coming on all the time so a mechanic wired it to stay on constantly..few days later I'm driving and the air cuts on and off, dash lights flicker, and radio cuts in and out, when home I shut her off (87300E) and she wont start now..wont even turn over..is wiring the fan to stay on constantly a bad idea, or did he maybe just do it wrong? Please help. Thanks

sleepwalker 11-01-2004 12:01 AM

RE: A/c fan wired to run constantly source of battery drain?
 
the battery is kaputz.

Dehaven 11-01-2004 02:01 AM

RE: A/c fan wired to run constantly source of battery drain?
 
Yes, I had to jump it..but battery is practically brand new. Will the fan running constantly cause it to drain or can a battery handle this?

sleepwalker 11-01-2004 03:14 AM

RE: A/c fan wired to run constantly source of battery drain?
 
the battery cannot handle the supply on continous running of the auxialliary fan even if the alternator is charging with engine running.

MB/TECHMAN 11-02-2004 09:48 PM

RE: A/c fan wired to run constantly source of battery drain?
 
THE AUX. Fan is on a resiters to make to run slower so whouldnt drain your battery,,,whats wrong it dont work the other way ,,might be bad aux.pre resiter..by the a/c drier...jump it see if it works....


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