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2G Key Fob 98 GS-T

VivaLaOC

Proven Member
72
9
Mar 16, 2021
La Grande, Oregon
So I got my key fob finally in the mail (two actually) but I tried the jumper wire between 1 and 4 but maybe I was doing it wrong who knows, anyways my alarm always goes off when I open the doors or turn the ignition on, I have a door key now which I didn't when I got the car and I took the horn out because I couldn't stand the sound tbh. Anyways, some help would be greatly appreciated and comprehensive at that. Like I said maybe I did it wrong, who knows. I asked on another thread and thats how I found out about the jumper.

Thanks
 

dustyboner

DSM Wiseman
1,362
618
Mar 13, 2016
abq, New_Mexico
does your key fob unlock the doors?

maybe the key lock cylinder switch isn't working.

if you have a multimeter you can check it. turn the switch to lock and you should have continuity between pins 2 and 3
unlock= continuity between pins 1 and 2

if nothing else , turn the ignition to the on position, unplug the switch and on the harness side connector, short pin 2 to either of the other pins (1 or 3).
upload_2021-4-1_21-9-54-png.626026
1618420763550.png
 

randman2011

Proven Member
379
164
Feb 26, 2012
Indianapolis, Indiana
If the alarm goes off when you open the door with the key, the problem was never the FOB or lack thereof. As mentioned in your other thread, the door switches need replaced.
 

randman2011

Proven Member
379
164
Feb 26, 2012
Indianapolis, Indiana
They're incredibly brittle even before being exposed to elements for 25 years. They're not necessarily known for breaking on their own, but it's pretty difficult to avoid breaking them if you do anything with the lock cylinders.

https://www.mitsubishipartswarehouse.com/oem-parts/mitsubishi-switch-mb927494 They're discontinued so I'd recommend picking them up ASAP. I just got two from here and allegedly they only have two left.

Here's one I ordered in December from a different dealership that arrived in four pieces.

IMG_20201221_175140 (1).jpg
 
Last edited:

VivaLaOC

Proven Member
72
9
Mar 16, 2021
La Grande, Oregon
They're incredibly brittle even before being exposed to elements for 25 years. They're not necessarily known for breaking on their own, but it's pretty difficult to avoid breaking them if you do anything with the lock cylinders.

https://www.mitsubishipartswarehouse.com/oem-parts/mitsubishi-switch-mb927494 They're discontinued so I'd recommend picking them up ASAP. I just got two from here and allegedly they only have two left.
Okay, ill check mine and make sure I actually need to replace them before I buy them but thank you ill keep it in mind
 

VivaLaOC

Proven Member
72
9
Mar 16, 2021
La Grande, Oregon
Also, after I get that sensor thing on the back of the cylinder how am I supposed to get my Key fob working? I know I need to jump the connection between 1 an 4 on the obd2 port but what wire should I use for the best connection and which one is #1 on the obd2 port? I'll take a picture of it and send it so you can edit a mark on the picture so I know exactly which one to connect the wire into
 
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