Cat 3176B, C-10, C-12 & 3406E Wire Schematic (sn. prefix: 5EK, 9CK, 1YN, 2PN & 6TS)


Print version.  This is a fold out Caterpillar 3176B, C-10, C-12 & 3406E Wire Diagram Set. Wire diagram set for Cat engines w/ serial prefix of 5EK, 9CK, 1YN, 2PN & 6TS.  Shows all wiring from ECM to all devices controlled by or sending information to the ECM. Includes voltage or resistance readings.  Printed on special material to resist wear & shop use.


1. Wire diagram
2. Wire colors
3. ECM pin numbers & location
4. Sensor torques
5. Fault codes
6. Test procedures