Peterbilt Speedometer And Tach Not Working - North Platte Telegraph Obituaries This Weekfav Event Invitations Speedometer has power and sweeps on initial key on but does not read speed. Both speed sensors are working correctly. You'll be best off to open the dash and access the back of the tach with a tester to check for continuity back to the sending unit first, to see if the wires are ok. At that point if they. I've got a 90 and had lots of problems with the plugs going into the back of the gauges. You might try opening up the dash and wiggling the connectors around to make sure. If you look here , it shows that pins 38 and 39 of the chassis side connector at the ecm feed the signal to the tachometer. You need to check and make sure that the wiring is ok from those. It's more likely the wiring between the ecm and the sensor. If the datalink faults log when you go over bumps and the speedometer has issues at the same time, the issue is likely in the. If your speedometer is still working properly but your odometer has quit, that is an indication that you are still receiving a good speed pulse to the speedometer. But even if your. I purchased a 1994 peterbilt 377 a few months ago and the speedometer (and tripometer/odometer) & the tachometer have never worked. The cruise control does work. 2006 379 pete gauges not working. The tach and speedometer as well as odometer and a few of the gauges around this cluster. When key is off odometer will display number when ignition on. I'm just trying to get everything fixed on the truck so i can put it in service. A faulty vehicle speed sensor could be the reason that the speedometer isn't working. If there was an issue with the. Had the exact same problem, my mph gauge would say no data and 5 gauges were not working, the needles on 5 gauges would swipe like whipers and there were red lights.
North Platte Telegraph Obituaries This Weekfav Event Invitations