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69 Posts
I got a 11 420 at irs it is having shifting problems it well shift fiNE threw 1st and 2nd and into r but as soon as it shifts into 3rd it gives me a - sign and won't shift to no more I can turn the key off and it well shift back to 2nd it does this in auto and es I put a new angle sensor and shift motor on and it has a new wiring harness can some won't tell me what's going on bf I bring it to a shop I'm thinking it's the speed senso but don't want to change it and it not be it is there a way I can test it any help well be appreciated