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1999 ranger battery draw through the GEM module


Timmy D.

New Member
ASE Certified Tech
Joined
Sep 4, 2024
Messages
2
Reaction score
1
Location
USA
Vehicle Year
1999
Make / Model
Ford/Ranger
Transmission
Manual
Hello, I am working on this ranger with a 120mA draw. Found the draw goes away when pulling fuse 25, which lead me to the GEM module. Fuse installed, and disconnected the GEM module, and the draw is gone. Curious whether it is the module, or something the module feeds. Question is, where do I go from here? From what I've read so far, is that these modules are getting hard to find, as production has been discontinued. I'm not sure what all the module feeds.... It is a 3.0L 4wd manual.
 


superj

Well-Known Member
U.S. Military - Veteran
Joined
Oct 1, 2021
Messages
4,047
Reaction score
3,475
Location
corpus christi, texas
Vehicle Year
2004
Make / Model
ranger edge
Engine Type
3.0 V6
Engine Size
182 ci of tire shredding power
Transmission
Manual
2WD / 4WD
2WD
Total Lift
-2
Total Drop
2, so far
Tire Size
235s
My credo
drives a stick shift ranger
welcome! you are going to need some of hte guys who have been here and been into their trucks more than i have. i have no idea what a gem module is.

i just came to say hi
 

Timmy D.

New Member
ASE Certified Tech
Joined
Sep 4, 2024
Messages
2
Reaction score
1
Location
USA
Vehicle Year
1999
Make / Model
Ford/Ranger
Transmission
Manual
Hello, I am working on this ranger with a 120mA draw. Found the draw goes away when pulling fuse 25, which lead me to the GEM module. Fuse installed, and disconnected the GEM module, and the draw is gone. Curious whether it is the module, or something the module feeds. Question is, where do I go from here? From what I've read so far, is that these modules are getting hard to find, as production has been discontinued. I'm not sure what all the module feeds.... It is a 3.0L 4wd manual.
Well, I replaced the GEM module, which solved the draw condition. I found my hard crank condition was due to the main ground cable from the battery to the block was damaged. Repaired the cable, and all rechecked ok. I am guessing that the bad ground condition probably caused the module failure.
 

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