Heat/Wipers/Radio Inoperative With Engine On

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Jan 4, 2021 | 09:50 AM

Rozy

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Joined: Jan 2021

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Heat/Wipers/Radio Inoperative With Engine On

Hello,
I'm wondering if any has tips regarding an electric issue (i believe) that prevents the blower, wipers, and radio from operating when the engine is on. When the ignition is on everything works but when cranked over none of it works. Blinkers and headlights still work. Thanks!
90' 740 GLE 16v

Jan 4, 2021 | 10:28 AM

lev

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Joined: Oct 2010

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It's probably your ignition switch, that's what I'd look at first...

Jan 4, 2021 | 10:29 AM

hoonk

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Joined: Jul 2020

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From: GA

Quote:

Originally Posted by Rozy

prevents the blower, wipers, and radio from operating when the engine is on.

The electrical portion of your ignition switch is bad. Try turning the key very slightly back when running to get the accessories to turn on. This might be the correct part

https://www.fcpeuro.com/products/vol...waApGTEALw_wcB