PISTON-YM 2260249 - Caterpillar

the Product Link is replaced, ensure that replacement is absolutely necessary. The Product Link is seldom the cause of a fault. Always check that power is available to the Product Link. Battery voltage is required between contacts 1 and 2 of the machine harness connector for the Product Link. Continue ONLY if all other attempts to isolate the problem have failed. Always consult your dealership's Technical Communicator for possible consultation with Caterpillar. This consultation may greatly reduce the time that is required for a repair.
Turn the disconnect switch and the key start switch to the OFF position. Disconnect the machine harness from the Product Link.
Remove the Product Link.
Make sure that the replacement Product Link is the correct part number.
Connect the machine harness to the Product Link.
Install the replacement Product Link.