Mercury xri ECU fuel pump bypass

[Jay Smith]

I got an injector tester years back for Christmas works great you attach to injector wire that snaps to injector turn motor over and if ECU is sending signal light flashes , I am at the deer lease now will be back and will get you the kit number I’m sure EBay would have it , I think $75 ish:
Performance Tool pt# W89500
electronic fuel injection test light

[Aa Hayes]

Well, a friend of mine had injectors tester light kit he lend to me. Before I head to the boat I figured I should just ask to save me time, where will I find the connection to test injector pulse.