1999-2004 Ford F-150 GEM Multifunction Module XL34-14B205-AE

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From the shop

The GEM module handles power distribution and body functions on your F-150—windows, locks, wipers, and more. This one's been tested functional and cleaned. Ford's GEM modules from this generation are solid, but if yours has failed, you'll notice dead circuits or erratic behavior across multiple systems at once. That's your clue the module itself needs replacement rather than chasing individual switches. Fits 1999–2004 F-150. — Hubes

— Hubes

Vehicle fitment

Fits 1999–2003 Ford F-150; 2004 Ford F-150 Heritage; 1999 Ford F-250. Replaces OEM # XL34-14B205-AE.

Years	Makes	Models
1999–2003	Ford	F-150
2004	Ford	F-150 Heritage
1999	Ford	F-250

Please note: 4x2 base configuration (single-source config identification — match your part number exactly). Catalog 4x2-without-power-group service part is XL3Z-14B205-JA. 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: XL34-14B205-AE
Brand: Ford
Also searched as: XL3414B205AE
Also Known As: General Electronic Module, Generic Electronic Module, Ford GEM, Central Timer Module, CTM

Condition & Testing

Condition: Used

Specifications

Material: Plastic
Color: Black
Placement: Front
Left
Lower
Driver Side
What's Included: Pigtails
Dimensions: 6.0" H × 10.0" L × 6.0" W · 24.0 oz

Compliance

Country of Origin: United States

Frequently asked questions

Will this part fit my 1999-2004 Ford F-150?

Yes — this is a direct-fit OEM replacement for the 1999-2004 Ford F-150. 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 XL3414B205AE.

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.

1999-2004 Ford F-150 4x2 GEM Module XL34-14B205-AE OEM

From the shop

Vehicle fitment

Is this your problem?

Specifications

Part Identification

Condition & Testing

Specifications

Compliance

Frequently asked questions

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