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Part Name:4WD Transfer Case Relay Dashboard
Replace Part Number:F85B-14B194-CA
Product Material:ABS Plastic
Color:Black
Warranty: 1 Year
Include Packing: 1 x 4WD Transfer Case Relay Module
Fitment:
- Fit For Ford F150 4x4 4WD 1998
- Fit For Ford F150 4x4 4WD 1999
- Fit For Ford F150 4x4 4WD 2000
- Fit For Ford F150 4x4 4WD 2001
- Fit For Ford F150 4x4 4WD 2002
- Fit For Ford F150 4x4 4WD 2003
Note: Fits 4WD / 4x4 ESOF (Electronic Shift on the Fly) models only. Not compatible with 2WD F-150 or manual shift 4WD transfer case models. Please verify your 4WD system type before ordering.
When To Replace:Your truck is stuck in 2WD and four-wheel drive refuses to engage despite pressing the 4x4 selectorThe 4WD indicator light flashes repeatedly or stays lit without the system actually shiftingThe 4x4 switch shows no response at all — no click, no movement, no engagementFour-wheel drive engages intermittently, working sometimes but failing randomlyA diagnostic scan returns fault codes related to the transfer case shift motor or 4WD control circuit
Advantage:No-Programming Plug-In Replacement：Designed to install directly without any reprogramming or relearn procedure — just unplug the old module and plug in the new one under the dashboard of your vehicle
Sealed Connector Pin Design：Engineered with intact pin terminals to help maintain a secure electrical connection, supporting reliable signal transmission to the 4WD shift components in your vehicle
OEM-Spec Circuit Compatibility：Built to match the original factory circuit specifications, helping to ensure the relay responds correctly to 4WD selector inputs on your vehicle
Consistent 4WD Engagement Restored：Designed to eliminate intermittent 4x4 failures, supporting smooth and repeatable transfer case shifting every time you engage four-wheel drive in your vehicle
Tested for Underdash Conditions：Constructed from ABS plastic housing to withstand the heat and vibration environment found under the dashboard, helping maintain performance over the life of your vehicle
On Oct 8, 2026 at 03:27:17 PDT, seller added the following information:
