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Testing webasto

Discuss your latest mods or ideas, and anything to do with the BMW X5 (E53).
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marinaman
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Testing webasto

Post by marinaman » Wed May 03, 2017 11:06 am

Hi all
Can anyone tell me the correct way to test the Webasto unit.  i have read to apply power to pin 1. does that mean to remove the plug and just attach to pin one or do you tap into the supply wire and leave the rest of the wires connected.
Thanks
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Horizon
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Re: Testing webasto

Post by Horizon » Wed May 03, 2017 12:10 pm

Just run a wire from the battery jump/ charging positive lug in the engine bayto pin one whilst the plug is still in. It should Run and get hot. You can here the pump working too. If you remove the expansion tank cover you should see a jet of water in there too
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Re: Testing webasto

Post by marinaman » Wed May 03, 2017 5:31 pm

Thanks for that.
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