Paul, just make sure you have a routing diagram handy and it will be a snap. I just did it on an M119 (which has a similar routing pattern) and it took less than 5 minutes. It's actually a lot easier to do than it looks.

__________________
"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles