None of the pbu's are known to be good. I am going to check mono valve function one more time and then order new pbu if I find nothing new. Does Rusty carry these?
Michael E. Esh On Dec 1, 2011, at 7:56 PM, Curt Raymond <curtlud...@yahoo.com> wrote: > Are any of the control boxes (you mean the push button array here right?) > known to be good? Like you can put them in another car and they for sure work? > The problem is you're suffering just about the most common failure. If all > the boxes you're messing with are 20+ years old its quite possible for them > all to be broken the same... > > -Curt > > Date: Thu, 01 Dec 2011 17:50:14 -0500 > From: Mike Esh <michael...@me.com> > To: Mercedes Discussion List <mercedes@okiebenz.com> > Subject: Re: [MBZ] Mono valve voltage readings -please help > Message-ID: <93499b2d-4baa-47bf-8e14-97aece39f...@me.com> > Content-Type: text/plain; CHARSET=US-ASCII > > Jim, > I hooked a taillight bulb to the leads going to the mono valve and still get > the same readings I did with the multimeter. I did not get blinking lights > at any settings, solid on, solid off. I hooked up five different control > boxes and got the same results. > I am at a loss. > Mike > > Michael E. Esh > > > On Dec 1, 2011, at 12:23 AM, Jim Cathey <j...@windwireless.net> wrote: > >>> ...Zero volts when defrost button is pushed. >> >> No voltage == heat, +12V == no heat. PWM (in the seconds timeframe) >> for in between. If it's never getting juice, the valve is not your >> problem and you need to look at, say, resoldering the control panel. >> (Oh, and fuses, temperature feedback plumbing, etc.) >> >> -- Jim >> > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
