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Ask Chris (aka- Moose) Your Own Question
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Transmissions
Satisfied Customers: 1727
Experience:  16 yrs. experience with auto, manual, & CVT drivelines
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My 4x4 light on the dash wont work and the 4x4 system wont

Customer Question

my 4x4 light on the dash wont work and the 4x4 system wont work, I did some checks but I think my Gem module is bad.
JA: Have you checked the fuses? The dashboard bulbs?
Customer: yes and I bought a new 4x4 selector switch also. and all new vacuum lines to.
JA: What is the model/year of your Ford?
Customer: 1997 f150 4.6
JA: Are you fixing your F150 yourself? What have you tried so far?
Customer: yes, I used a test light in the connectors that go to the solenoids and that's where im finding my problem.
JA: Anything else you want the mechanic to know before I connect you?
Customer: well I test the connectors using the negative side of the battery and all went good, but when I used the positive side then there was no action in 2wd or 4wd
Submitted: 1 month ago.
Category: Transmissions
Expert:  Chris (aka- Moose) replied 1 month ago.

Welcome, I'm Chris (aka Moose). I'm here to help 365 days a year, but not every hour of the day. I try to prevent delays as much as possible. Please understand I am not there and can only advise based on what you tell me. Let's get started.

Do you need the Ford diagnostic steps for this issue?

Customer: replied 1 month ago.
no I'm just wondering if you think it my be my gem module?