Product Support Program For Replacing EIS Engine Harnesses On Certain G3508, G3512, And G3516 EIS Engines Caterpillar

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0960" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Termination Date

Problem

The purpose of this program is to provide support for G3500 EIS Engine harness failures that occur within 12 to 24 months of operation. Proper diagnosis identifying a failed harness is required to approve processing of a claim. Therefore, the harness must be returned for a complete failure analysis prior to approval of a claim.

Affected Product
Model & Identification Number

G3508 (4WD12, 4WD13 9TG12-85 )

G3512 (5JD12-27 7NJ12-161 )

G3516 (8LD12-35 4EK12-782 )

Parts Needed

NOTE: Refer to the "Action Required" section of this letter before ordering parts.

1 - 1291626 Harness Assembly

1 - 1291627 Harness Assembly

1 - 1291628 Harness Assembly

1 - 1291629 Harness Assembly

1 - 1291630 Harness Assembly

1 - 1291631 Harness Assembly

1 - 1291632 Harness Assembly

1 - 1291633 Harness Assembly

1 - 1291634 Harness Assembly

1 - 1312217 Parts Kit

1 - 1353464 Harness Assembly

Action Required

Troubleshoot to identify the engine harness as the failed component, then a serviceable engine harness should be ordered as indicated in the following table.

A 1312217 Parts Kit is required if your engine serial number is between 9TG12-33, 5JD12-19, 7NJ12-81, 8LD12-27, AND 4EK12-410.

Follow Special Instruction SEHS9954, which gives full details on how to replace your existing engine harness with a serviceable engine harness.

Service Claim Allowances

NOTE: This is a 4-hour job.

Parts Disposition

The failed harness must be returned to Caterpillar Gas Engine Customer Service for a complete failure analysis.Provide the engine serial number, engine harness hours, dealer contact, and a complete summary of the suspected failure mode based on the troubleshooting efforts.Any harness that successfully passes a functional test will be returned to the servicing dealer and the claim will not be approved.Return the failed engine harness to: