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Wiper intermittently quit working and then went out completely; This is what I have done so far and non of these have fixed the problem:
1. replaced the wiper switch in the steering column;
2. checked all the fuses, they were all good;
3. replaced 2 relay units; (this is all under the advice of BMW mechanic)
4. replaced the motor, checked voltage to the motor—have no 12V going to the motor, but have 5V power leg to maintain zero position on the motor drive;
5. replaced the main module that controls: the wipers, power seats, power windows, steering column, heated seats, ect.
6. pulled passenger side seat, checked 2 main fuses and they were OK.
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For the BMW 7 series (E38) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 model year. Fuse box in engine compartment. fuse box location. Open the hood.
see if there is an inline fuse on the power wire to the radio. It appears to be a known issue. Check out the link
(P3105 Cylinder 2 High Pressure Injector Low Side Circuit Low).
This could be an issue with the fuel injector or it's electronics for cylinder 2. You'll need to get a Good mechanic to look at this as the fuel system might need to be depressurised before any work can be done.
The power distribution panel on your car is located under the hood in the engine compartment. It is located on the right passenger side closest to the firewall.
When you open the cover to the PDP, you'll see a series of blade type fuses in the front compartment and a bunch of wire harnesses in the back- that's where you'll find the tan colored relay you need to replace.
I have attached a youtube video for you to watch because it appears that the most common cause of this relay failure is due to water build up in the PDP compartment which is causing serious wiring deterioration and rusting- not only to the wiper relay but to the other relay components in that block.
So should you be experiencing the same problem when you open the power distribution panel, you'll know what to do.
im trying to locate the wiper motor on my 1996 bmw 740il.
WIPER WILL NOT WORK
how to replace the lkm
Changed motor out now wipers won't work
please help with any ideas
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