View Full Version : Mercury Tech 89 XR4 regulator wiring
robinr01
06-20-2011, 09:28 AM
I have a 89 150 XR4 with the old style water cooled regulator and need some help with the wire connections. Does anyone have a wiring diagram for this area of the motor they could share. I have a number of different service manuals but none of them address this area.
Thanks
robinr01
j_martin
06-20-2011, 09:58 AM
Yellows go to the stator. Red goes to battery via the starter solenoid, and to the trim solenoids. Grey bullet connector goes to tachometer wiring. Purple goes to switched 12V, I believe at the terminal strip over the switchboxes.
hope it helps
John
robinr01
06-20-2011, 10:41 AM
Thanks John,
I appriciate the help. I think going up through the termial block is what is throwing me off.
Robert
j_martin
06-21-2011, 06:30 PM
The heavy ones (yellow and red) wire through the block. The others are just plugs.
robinr01
06-22-2011, 03:21 PM
So..there is no real wire sequence meaning yellow #1 goes to yellow #1 on regulator etc.. John?
Thanks
Robert
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