Robd1225

I looked could not find it to go back that old, no no power to switch

Anybody have a wiring diagram for a 2005 Mack chn613 has no brake lights, abs light brake switch code, j1939 code. Swapped out brake switches already

Thanks everybody for the help harness jumped out at Sensor fron pins 11 and 12 got .01ohms was great until key on is when it changed ran out of time and had to put vecu panel back together and code cleared after that probably a chaffing wire up at vecu somewhere it has a eaton trans and yes speed sensor set correct no on the loose yoke. Have not had come back on yet

2006 if I check at vecu I have 159 ohms if I plug in the vecu connector it goes up to 190ohms key on

Have 2 mack trucks both throwing pid 84 fmi 5 road speed code both have new sensors checked at vecu resistance is 157.6ohms not sure why they keep throwing code