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Discussion Starter · #1 ·
2007 3500 c&c 6.7
U1412- no signal from speed sensor
I installed my engine brake switch, speedo quit working, abs light, and brake light on, so i unplugged everything i hooked up for engine brake switch and replaced speed sensor on rear axle, and still nothing, i keep getting this code, i tried unhooking batteries, and still have code and no speedo, is there a hidden fuse for this? any ideas on what else could be wrong?
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