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  1. #11
    MSX 150 guy lives on Mr. GP1800's Avatar
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    My guess would be that the pins just weren’t seated in the connector properly when they were initially assembled

  2. #12
    ShawnInFL's Avatar
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    You would think, but check these photos. These are all from the same connector. The wires just pull right out, but the metal that wraps around the wire and goes into the connector simply breaks right in half. You will notice the metal is still in place in the connector that attaches to the back of the fuel injector. Not sure there would be a way to prevent this from happening.

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  3. #13
    Lake Lion
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    You're lucky. That could have blown your motor.

  4. #14
    ShawnInFL's Avatar
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    Hey Butta, had the wires crossed, I'd be buying a new ECU I'm sure. Replaced the harness that was bad and glued all the wires down for now, hope that helps until I repin them all just to be safe. If you missed it, check my PLX thread. Have my gauges running now. I'm diggin it. Cracked 86 a few times too. 88 would be the new goal, but I'gonna be happy with 86... for now anyway lol

  5. #15
    Lake Lion
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    Nice. Run without the front seat and see if it wants more air.

  6. #16
    ShawnInFL's Avatar
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    Will do, as soon as time permits. I'll keep ya posted. The 20# wheel is amazing BTW! Turns the fun factor way up

  7. #17
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    Quote Originally Posted by ShawnInFL View Post
    You would think, but check these photos. These are all from the same connector. The wires just pull right out, but the metal that wraps around the wire and goes into the connector simply breaks right in half. You will notice the metal is still in place in the connector that attaches to the back of the fuel injector. Not sure there would be a way to prevent this from happening.

    Click image for larger version. 

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    Just an update on the issue with injector wire pins breaking. Had it happen to cylinder 4 back in March, sure enough it happened again. This time to cylinder 3.


  8. #18

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    It happened even after you glued the connection?

  9. #19
    ShawnInFL's Avatar
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    Quote Originally Posted by thomasdjames1 View Post
    It happened even after you glued the connection?
    It seems to me the glue was pointless. Know it sounds crazy but I think I'll be carrying another 2 pin injector connector with wires already and some scotchlok's or similar product I can apply in a bind. Had been experiencing some issues with AFR prior to this presenting itself. Had already swapped O2 sensor, my fuel pressure was all over the place (I have a regulator setup). Was thibking pressure gauge was the next thing to try. Thinking now all was a result of this connector failing.

  10. #20
    Polaris had an issue similar to this on some side-by-sides the problem was vibration causing metal fatigue on the connector. The cure was to replace the connection with extra wire that was double the wires back over the connector on the injector then zip tie the excess wire on to the injector connector to isolate the unsupported wire that would normally just be hanging out from the connector.

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