They ping like mad when in reverse! It's not the sensors apparently so any suggestions about wiring etc. Sometimes they work fine and just ping when there is something there. Thanks
+1cj10jeeper said:I'd really want to know how he tested them. The ear on it is helpful but not definitive. If he's run it on a tester then he'd have been able to say with certainly the fault and location.
As an aside almost all failures are the sensor with water in it, or loom not connected fully/corroded