WIRING GP-HYDRAULIC TANK 3966962 - Caterpillar

3966962 WIRING GP-HYDRAULIC TANK Caterpillar parts 844K, 990K

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Alternative (cross code) number:
CA3966962
396-6962
3966962

Caterpillar 3966962 WIRING GP-HYDRAULIC TANK

Buy WIRING GP-HYDRAULIC TANK 3966962 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEEL DOZER, WHEEL LOADER,

Compatible equipment models: 3966962:

WHEEL DOZER 844K

WHEEL LOADER 990K Caterpillar

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Caterpillar 3966962 Parts scheme WIRING GP-HYDRAULIC TANK

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Illustration 1 g02149399
Schematic of the key readerThis diagnostic code is recorded when the Chassis ECM does not receive expected information from the key reader over the data link.Test Step 1. CHECK THE CAT ET SCREEN.
Check the Cat ET screen for a communication error between the Chassis ECM and the key reader.Note: The diagnostic code for the key reader is CID 1960 FMI 09.Expected Result:The Cat ET reports a diagnostic code of CID 1960 FMI 09 as being active.Results:
YES - The Cat ET reports a diagnostic code of CID 1960 FMI 09 as being active.Repair: Troubleshoot the connections for the Cat Data Link between the key reader and the Chassis ECM. Proceed to Test Step 3.
NO - The diagnostic code has NOT been logged or the diagnostic is NOT active. Proceed to Test Step 2.Test Step 2. CHECK FOR POWER TO THE KEY READER.
With the keyswitch in the ON position, check for system voltage between contact 3 and contact 4 of the key reader. Expected Result:The voltage that is measured is approximately system voltage.Results:
YES - The voltage that is measured is approximately system voltage. The voltage is correct. Proceed to Test Step 4.
NO - System voltage is NOT present. The wiring harness has failed.Repair: Check the wiring harness for signs of damage. Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK THE WIRING HARNESS OF THE CAT DATA LINK FOR AN OPEN CIRCUIT.
Disconnect the J1 harness connector from the Chassis ECM.
On the side of the harness for the key reader, install a jumper wire between contact 3 and contact 4.
At the J1 harness connector for Chassis ECM, measure the resistance between J1-10 and J1-20 of the connector for the Chassis ECM.Expected Result:The resistance is less than 5 ohms.Results:
YES - The resistance is less than 5 ohms between pin 3 and pin 4. The wiring is correct. Proceed to Test Step 4.
NO - The resistance is greater than 5000 ohms between pin 3 and pin 4. The wiring for the Cat Data Link is not correct between the ECM and the key reader.Repair: Check the wiring harness for signs of damage. Repair the machine harness or replace the machine harness.STOPTest Step 4. CHECK THE WIRING HARNESS OF THE CAT DATA LINK FOR A SHORT TO GROUND.
The connector for the key reader and the