Originally Posted by poolshark
Hey guys i have a Dolphin electronic speedo. My pulse generator has a grey and blue wire. T350 tranny old. I am using a EZ wire harness. My problem is where does the grey wire go to? The wiring diagram Dolphin sent doesn't show this.
Can anybody explain this to me. This is my first attempt at rewiring a complete car. Thanks
It's a ground, according to what I see here
, page 20.