03 liberty second gear only, battery light on

Vincent when you put the key on you have a check engine light that come on if not no power to the computer could be asd relay auto shut down or problem with the fuse box try disconnecting the battery for a minute something it reset the computer

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Immobiliser fault, disconnect battery from poss terminal for 15 seconds, reconnect battery close hood and doors lock car with fob wait 20 seconds open car and start car.

As long as it can fit in there, it should be fine.

Did you check to see if the serpentine belt is tight or missing? The battery light comes on to tell ou there is a problem with the charging system. It does not come on when the battery is bad. Since the alternator and the power steeringpu p are run Blythe same belt it would make sense to check the belt to make sure it is there and tight and capable of turning these accessories.

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Automatic transmission ? Try moving the gear selector to neutral . park neutral safety switch ,maybe. If placing gear selector in neutral doesn't do anything , looking at a wiring diagram to see what all is involved in the starting system . Do you know what a wiring diagram is ? Free diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine size . Under system click on engine ,then under subsystem click on starting . Click the search button then the blue link .Do you know what a relay starter is , what a totally integrated power module is ? The starter control is controlled by a control module (computer )

Check the battery for bad connections..take off the cables and clean both the battery posts and the cable connectors and then try...if no start, then see if you can check the battery voltage with a voltmeter...at stand still(engine not running) the battery should read 12.5 volts...if battery is ok, then there is the possibility that the starter solenoid, the starter relay, or (in rare cases) the ignition switch is bad

03 Jeep Liberty sunroof wont close. I have 4 sunroof buttons; Open, Close, Vent and ASC. Open and Vent buttons are working fine. Close button is not responding. ASC button is flashing red and green but does nothing when pushed. I have no way to get it closed

I would take the vehicle to your local autozone and have the codes checked and that can tell you with a lot more accuracy what the issue is.
Thanks,
Lee

Most large parts stores read codes free. Most common cause is crank sensor, but I'd have code checked before buying anything.