Rear Window Defog grid [Archive] - Bimmerfest - BMW Forums

: Rear Window Defog grid

11-13-2008, 12:15 AM
:smokin: Ok guru's, Grand Vizeer's, and Swami's...........

Rear Window Defogger inoperative. (1992 525i)

Switch in dash is ok (check)
Relay in rear box ok (check)
Wiring continuty ok (check)

Followed schematics in Bently (check).

But she still no workee, and its startin to get get a bit frosty up this here way.

Anyone got any Ideas?


bimmer dot info
11-13-2008, 06:13 AM
Is the wiring to the grid ok or is the grid it's self ok?

11-18-2008, 01:04 AM

Found the culprit!!!!!!! grounding not secure....



thanks for the input!!!

01-09-2009, 12:03 PM
As I need to get this problem solved as well, hopefully you can pinpoint the culprit for me ?