View Single Post
  #11  
Old 11-03-2018, 10:30 PM
lsmalley's Avatar
lsmalley lsmalley is offline
Registered User
 
Join Date: Oct 2006
Location: California
Posts: 2,154
Quote:
Originally Posted by Mxfrank View Post
I don't think you have a single function low pressure switch. I think it's dual function high/low. The question is whether you have continuity across the switch contacts. Test without the engine running...just unplug the switch and measure resistance across the switch. If it's not closed, either the switch is faulty or you have low pressure.
Correct. I do have the dual function switch according to the packaging as well as the fsm. Contact has continuity with engine off. What I did notice was when I grounded one of the wires that goes to the pressure switch, the clutch engages. If I ground the other wire nothing happens.
__________________

1990 190E 3.0L
Reply With Quote