DDEC TROUBLESHOOTING
[b] If measured resistance is less than 50 , refer to section 31.3.6.
Figure 31-1
Engine Brake Harness Schematic
31.3.6
Check for Cylinder Block Ground
Perform the following steps to check for cylinder block ground.
1. If the cylinder block is connected to the battery ground, refer to section 31.3.9.
2. If the cylinder block is not connected to the battery ground, install a ground strap from the
cylinder block to the battery negative (-). Refer to section 31.3.10.
31.3.7
Check for Short
Perform the following steps to check for a short.
1. Turn vehicle ignition OFF.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
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