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Re: Battery is dead ,remote trunk opener,not produced...
Ge a pair of jumper cables and jump the car connect the neg end coming from the other vhicles neg side of the battery to the alternator or a good ground spot on your cars motor. then put the lpositive side on the the posi connection to the alternator should be red wire on alternator with the other car on, just trry your trunk release, if nothing turen the key to run in your car and try again this should work let me know if it doesnt
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If its just a matter of getting the trunk open, and aren't planning to keep the car, I would either jump the car to another running car long enough to open the trunk or pull a good battery out of another vehicle and hook it up long enough to open the trunk. you shouldn't have to even start it just get power long enough to have the truck release work. You might first check and see if there is a release on the back seat to bring one side down and access the trunk from there.
Have an auto electrician use a jumper to open the trunk. Then replace the failed battery. IF you get the old battery load tested and it proves faulty the auto electrician will be able to install a new battery for you at the same time.
locate your starter motor.There you will find a thick single core cable (usually bolted onto solenoid).Get a fully charged battery and jumper leads.Connect negative lead to ground(any unpainted metal surface on chasis) or engine.Connect the positive clip to the stud described earlier.If you connect the other ends to the booster battery you should get enough power to open the trunk and then jump start the dead battery normally.If there seems to be no power in the circuits use the battery of a car with its engine running as a booster instead of a standalone battery.
I am not familiar with the Jag, however. If there is no manual trunk release or no key operated release mechanism, all may not be lost. Auto parts stores and some department stores sell a temporary power supply that operates on a small battery and plugs into your cigarett lighter. These are used to retain computer and radio settings when it is neccessary to disconnect the vehicles primary battery. This might offer enough voltage to open the trunk and allow access to the primary battery. Good Luck Vern
if u need to open trunk then u can connect a jumper wires to another car let charge a few minutes an then u should b able to access trunk with button. b sure to let other car charge dead batt. sufficient enough for u to b able to access ur trunk contents.... good luck
If you can open the hood, you can jump start the car at the alternator. Put the positive jumper cable on the large + wire on the alternator, and attach the negative - to any bracket or to the engine block and this will start your car, or open the trunk.
It takes a deal of time and patience to charge via the cigarette lighter socket though there should soon have been enough power to open the boot.
It should be possible to access the end of the main battery lead in the engine compartment in order to jump start the engine, provide power to open the boot or to charge the battery, if the battery is healthy enough to accept a charge. Some cars with a remote battery provide terminals for the purpose though I don't know whether the Jag does. If it doesn't the main battery cable terminates at the starter motor.
the battery has gone dead you can not open the boot/trunk with the electrical system but you should be able to get to the battery by using the key in the lock on the outside of the the trunk its either in the xj badge or the number plate illumination holder. if you can open the engine compartment there is battery pos power points so you can jumpstart/power up the car