...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
