GEM Module
1997 Ford Explorer Generic Electronic Module GEM BCM F77B-14B205-AA OEM
OEM Part Number
F77B-14B205-AA
by Ford·MPN F77B14B205AA
$62.99
Last one in stock
Will this fit your vehicle? See the fitment table below to check.
PART CONDITION
Tested functional. Cleaned.
Free Shipping — US and US territories
Genuine OEM Generic Electronic Module GEM BCM (F77B-14B205-AA) for the 1997 Ford Explorer / Mercury Mountaineer. Direct-fit replacement.
From the shop
The GEM module (Generic Electronic Module, also called the BCM or body control module) manages lighting, power windows, locks, wipers, and instrument cluster functions across Ford and Mercury platforms. When it fails, you'll often see multiple electrical gremlins at once—dead gauges, non-responsive switches, or lights that won't turn off. This unit is tested functional and cleaned, fits 1997 Ford and Mercury Explorer and Mountaineer models.
— Hubes
Vehicle fitment
Fits 1997 Ford, Mercury Explorer, Mountaineer. Replaces OEM # F77B-14B205-AA.
| Years | Makes | Models |
|---|---|---|
| 1997 | Ford, Mercury | Explorer, Mountaineer |
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
F77B-14B205-AA- Brand
- Ford
- Also Replaces
F77Z-14B205-AA,591-00285,F77B14B205AA- Also searched as
F77B14B205AA- Also Known As
- General Electronic Module, Generic Electronic Module, Ford GEM, Central Timer Module, CTM, Multifunction Module (MFM), Central Timer Module (CTM), Body Control Module (BCM)
Condition & Testing
- Condition
- Used
Specifications
- Material
- Plastic
- Connector Type
- ["Receptacle block housing multi-socket"]
- Terminal Type
- Pin
- Terminal Count
- 54
- Placement
- Front
- Left
- Dimensions
- 6.0" H × 10.0" L × 6.0" W · 24.0 oz
Compliance
- Country of Origin
- United States
Frequently asked questions
Will this Generic Electronic Module GEM BCM fit my 1997 Ford Explorer / Mercury Mountaineer?
Yes — this is a direct-fit OEM replacement for the 1997 Ford Explorer / Mercury Mountaineer. 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. Used 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 F77B-14B205-AA. Interchange/alternate numbers: F77Z-14B205-AA, 591-00285, F77B14B205AA.
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.
What is this Generic Electronic Module GEM BCM also called?
This Generic Electronic Module GEM BCM is also known as: General Electronic Module, Generic Electronic Module, Ford GEM, Central Timer Module, CTM, Multifunction Module (MFM), Central Timer Module (CTM), Body Control Module (BCM). These are different names for the same part.
What other part numbers does this Generic Electronic Module GEM BCM fit?
This Generic Electronic Module GEM BCM is interchangeable with the following OEM part numbers: F77Z-14B205-AA, 591-00285, F77B14B205AA. The primary OEM part number is F77B-14B205-AA.
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