Question about 1997 Jeep Grand Cherokee
This isn't a guaranteed "fix" so don't rate it unless it works. I have done this with cell phones and other small items with printed circuits and microprocessors. Take apart the key fob as far as you can without breaking it. Then use a vacuum cleaner to draw as much water out of it as you can, also use the exhaust side or a hair dryer on medium and blow warm air inside. Then, put some kitty litter into a glass jar, cover it with a small piece of paper towel and place the fob on top of the paper. (don't put battery in there). put the jar in the oven...if you have a gas oven with an "always on" pilot light, that's enough temperature with the door closed. Otherwise turn the oven on at it's lowest setting and leave the door ajar. Once the jar has warmed up, put the cap on and leave it there for at least twelve hours.
Only way it won't work is if there was a lot of dirt or dust inside. In that case, often the mineral content will leave enough residue for "cross-talk" on the board and unless it's completely cleaned it won't work properly.
As far as using the vehicle, I'd first try just locking and unlocking the driver door using the key, or, remove/ unplug the reciever for the remote (usually in the overhead console...the board that has what looks like a little black gumdrop sticking out) There is also supposed to be a lavender colored wire coming from the driver door harness that if grounded is supposed to disable the system. on some it's there on others it's not.
As I said...try it but don't consider it a fix unless it works.
Posted on Dec 13, 2010
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Posted on Jan 02, 2017
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