I used Module Masters of Moscow, Idaho and they did a great job. I sent it off in the mail and it was returned also via mail very promptly.

How old is your MAF sensor?

Heads up on this battery problem. My daughter just went thru three bad batteries in a row from one of those chain auto parts stores. All failed in a really short time and all had bad cells. With the third and most recent replacement her 93 850 is running fine. I too thought it was an alternator prob...