GEM Module

1997-1998 Ford F-150 4x4 Manual Shift GEM Module F85B-14B205-PA OEM

OEM Part Number
F85B-14B205-PA
by Ford·MPN F85B14B205PA
$139.72
Sold out — sourcing in progress
Will this fit your vehicle? See the fitment table below to check.
BEFORE YOU BUY

VIN programming required after install

This module needs VIN programming after install. A dealer or locksmith with the right scan tool can do it. Not sure your installer can program? Message us first — we'll help you confirm.

PART CONDITION

Tested functional. Cleaned.

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This OEM 4x4 Manual Shift GEM module fits 1997–1998 Ford F-150 and Ford F-250 trucks and controls body electrical functions including manual four-wheel-drive engagement. Part number F85B-14B205-PA, tested functional and cleaned — note that programming is required prior to installation.

From the shop

The GEM — Generic Electronic Module — on the '97–'98 F-150 and F-250 handles the 4x4 manual shift logic along with lighting and body electrical functions, and when it fails you'll often see 4x4 shift issues alongside other electrical gremlins that don't seem connected at first. This one is OEM tested, functional, and cleaned. Part number F85B-14B205-PA, with interchange numbers F85Z-14B205-PA, EL3Z-14B205-GRM, and F75B-14B205-PB. It mounts up front and requires programming or configuration to your specific vehicle after install. Message me if you need help sorting the interchange numbers before you order. — Hubes

— Hubes

Vehicle fitment

Fits 1997–1998 Ford F-150; 1997–1998 Ford F-250. Replaces OEM # F85B-14B205-PA.

Years Makes Models
1997–1998 Ford F-150
1997–1998 Ford F-250

Please note: 4x4 trucks with MANUAL (floor-shift) transfer case. Service F85Z-14B205-PA → reman EL3Z-14B205-GRM. Not for ESOF or 2WD. F-250 = Light Duty. GEM modules are option-specific — match your part number exactly; dealer configuration may be required after replacement.

Is this your problem?

A quick diagnostic from the shop — see the symptoms before you buy, so you order the right part once.

Read the full transcript
Symptoms of a bad gem module on your late 90s to early 2004 truck. If you're experiencing any of the following symptoms on your general electronic module, the generic electronic module on your vehicle's most likely fried. Number one, ghost accessories. Your windshield wipers turn on by themselves. Your radio stays on after you turn the vehicle off and pull your key out. Number two, 4x4 failure. You flip the switch, nothing happens, or you just hear a rapid clicking sound deep in the dashboard. battery drain. A shorted gem will keep your network awake and will drain a brand new battery overnight. Nine out of ten times this is caused by leaking windshield. The water actually drips down onto your gem module. So use the Fitment tool on my website, drop your make model, gear in the comments, and I'll help you diagnose the issue and we'll get you set up with a replacement gem.

Specifications

Part Identification

OEM Part Number
F85B-14B205-PA
Brand
Ford
Also Replaces
F85Z-14B205-PA, EL3Z-14B205-GRM, F75B-14B205-PB
Also searched as
F85B14B205PA
Also Known As
Generic Electronic Module, Ford GEM

Condition & Testing

Condition
OEM Tested

Specifications

Material
Plastic
Connector Type
Female
Terminal Type
Pin
Placement
  • Front
Length
8.0

Compliance

Country of Origin
Canada

Frequently asked questions

Will this GEM Module fit my 1997-1998 Ford F-150 and 1997-1998 Ford F-250?
Yes — this is a direct-fit OEM replacement for the 1997-1998 Ford F-150 and 1997-1998 Ford F-250. Message us your VIN if you want us to double-check compatibility before you buy.
Is this part tested?
Yes. Every part is inspected and tested before listing. Grade A condition with a 30-day money-back guarantee.
Is this OEM or aftermarket?
100% OEM. Never aftermarket. We only sell genuine factory parts.
What is the OEM part number?
The OEM part number is F85B14B205PA. Interchange/alternate numbers: F85B14B205.
Can you verify fitment before I buy?
Absolutely — message us your VIN and we'll confirm this part fits your vehicle before you purchase.
What is your return policy?
30-day money-back guarantee on every order. Free return shipping if the part doesn't fit or match the description.