I Have a 1996 Jeep Grand Cherokee when the temperature gets warmer the horn is louder. when it is cold out it sounds like a horn from an really older car.very weak sounding. Is it the horn or a bad relay or WHAT
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Hi there: The 1996 Jeep Grand Cherokee Laredo Anti-Theft System is equipped with Vehicle Theft Security System (VTSS). VTSS system monitors vehicle doors, hood, liftgate and ignition. If an attempt is made to enter or operate vehicle without proper disarming of system, vehicle horn will sound, headlights, taillightsand parking lights will flash, and engine will be prevented from running.
The following wiring diagram and electronics circuit contains detail schematics of The 1996 Jeep Grand Cherokee Laredo Anti-Theft System. Here in you will find interconnection between electronics parts of the system such as body control module, auto headlamp light sensor. VTSS led, driver door module, passenger door module, cylinder lock switch, junction block, power distribution center, and grounding. HERE In you will learn also how the Vehicle Theft Security System works, removal, installation, testing and troubleshooting procedures.
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Run a thick wire straight from the battery to the positive terminal of the horn. If the horn sounds normal, replace the relay. If the horn is still weak, locate the adjustment screw and play with that to try improve the tone, if that does not work or if there is no screw, replace the horn,
It sounds like you are getting a weak spark to one or more cylinders. I would start by checking that all of your spark plugs are connected. Make sure the plug wires are in good condition and connected in the proper firing order. If applicable, check your distributor cap and rotor for damage or wear.
this happened to me recently with my 96 grand cherokee. the battery got drained by the alarm going off randomly at night. i pulled the fuse for the horn so at least my neighbors would only be bothered by flashing lights. then i couldn't jump the car because the alarm was still going off. i hooked my car to jump it to another car, and then i had to deactivate the alarm first by putting my key in the driver side door and unlocking the car. then i left it hooked to another car and still getting power but didn't jump it for at least 5 minutes in case the computer needed to reset. then it jumped fine. from what i've read online, this is a common problem that can be avoided if you stop using the power locks and always manually lock and unlock the doors with your key. its a little annoying, but apparently the power locks are connected to the alarm issue. hope the same works for you.
my jeep was just having that same problem make sure the battery cables are tight and have no corrosion,doesnt sound lik a big deal but it is,and check the carborator and air filter, it may not be getting enough air flow