2008 Jeep Grand Cherokee, 3.0L Glow plug diag and repair

3.0L Diesel glow plug diagnostics. P0671, P0672, P0673, P0674, P0675, P0676, P1649 Note. Cylinder lications in the video is wrong. Correct cylinder location is passenger side, front to rear is cyl 1,2,3. Drivers side is 4,5,6 front to rear. Faults, Symptoms, Module plug pin outs, Circuit checks Removal and replacement. Glow plug torque, Removal 20 Nm, (14.75 ft/lbs), 177 in/lbs. If you exceed this torque upon removal you risk breaking the plug off. Installation 10Nm, (7.37 ft/lbs), 88.5 in/lbs First part of the movie is pinpoint diagnostics. Then we get in the shop and fix the problem.