Quote:
Originally Posted by Blink
I've also got XUE 100 001 on the RH D post. It's an 'aerial filter unit'. It has three connectors - one wire in and two wires out to the HRW, plus an earth tab.
The largest connector is the power supply in from the engine bay fusebox, the other two supply power to the upper and lower elements of the HRW which are earthed by the two black wires on the opposite end of the screen (LH D post - see 1st pic post 12). The aerial filter removes any electrical interference to the ICE system caused by HRW operation. (Source RAVE 86-7-22)
So to answer Damian's question, a faulty aerial filter (XUE 100 001) would cause radio crackle when the HRW is on. A faulty aerial amplifier (XUC100741 or other) would cause radio crackle regardless of what the HRW is doing.
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Thank you for the advice, I shall try replacing the module to see what happens 😊
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