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Mercedes-Benz Master
1,619 Answers
- Posted on Aug 17, 2009
Re: I cannot locate the auxiliary fan relay or the 4 way...
Aux fan relay is under the screwed down section area connected to the fuse box. I do not recall where the flasher elay is but the headlight relay that controls power to all the lights is under that cover also and is the longest relay in there.
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