Has anyone used something like this to manually operate the aux cooling fans? I have read about manually operated hard wired setups with a switch in the glovebox etc. Sometimes my old dog needs a little help cooling when sitting in traffic.

http://www.amazon.com/Logisys-15AMP-Relay-Remote-Controls/dp/B000PI9E4K

Thanks! David

W124 300E 1986

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David
1986 300E Anthracite + ECodes + MB Mileage Award

A simple switch works for me.
http://img.photobucket.com/albums/v242/tjts2/Green%20Mercedes/a12.jpg?t=1275068573
Its relatively easy to feed a wire through the firewall and dash.

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How do you wire it?

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David
1986 300E Anthracite + ECodes + MB Mileage Award

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Uh just add a 1.1k resistor to the aux fan temp switch and It will be automatic and run longer to keep it cooler. Look up cool harness same thing.

You are glossing over a series of important details.
M103/M104 ENGINES OVERHEATING - Head Gaskets?

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CENSORED due to not family friendly words