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I put the battery in the wrong way, I have replaced the master fuses, and still no power, dash lights or and door lights, horn still works, need help
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Check fuse F8 in the engine fusebox. It supplies power to the horn. I cannot find a fuse for the power locks, so it is possible that the F8 fuse also supplies power to the locks.
The security system thinks that something is wrong and is sounding the horn and flashing the lights. This is because the system had no battery power. Unlock all the doors, put key in ignition turn all way except to start the engine. remove key from ignition and lock all doors, This may reset the security system.
Some cars have inline fuses in the battery cables and have multiple connections for components making one get power and others not. If all your fuses are good, the next thing to look at is the electrical part of the key switch. Usually there is the mechanical part with the tumbler, and the electrical part.
Check these fuses again:
In the Power Distribution Center (in the engine compartment, left fender panel) Fuse #3 (20 Amp) Fuse #7 (40 Amp), Fuse #12 (20 Amp) and in the Junction Block (on the left end of the dash) Fuse #1 (15 Amp)
Use a test lamp and make sure that these fuses have power. All of these fuses should all have power at all times, regardless of ignition switch position. If they are all good and have power, then you probably need to replace your Central Timer Module. All of the circuits you listed are dependant on this module for operation.
The Central Timer Module is located at the left kick panel.
Central Timer Module System
The CTM is available in a BASE or a HIGHLINE configuration. The BASE and HIGHLINE CTM provide the following features: • Battery saver functions for exterior and interior lights • Cargo lamps chime warning • Courtesy lamps • Dome lamps • Dome lamp defeat • Door ajar switch state • Fog lamps • Headlamp time delay • Intermittent wiper controls • Low and high beam head lamps • Optical horn • Park lamps
In addition, the HIGHLINE CTM provides the following features:
• Central locking • Door lock inhibit • Driver door unlock • Enhanced accident response • Horn chirp • Optical chirp • Power door locks • Remote keyless entry (VTSS) • Remote radio
Maybe horn became unplugged. Put 12 v power to horn make sure horn works. Put test light on terminal on horn have someone press the horn button, if light comes on and horn does not blow you may need new horn. if light does not come on you may have bad contact at horn button, blown fuse, broken wire, bad horn relay or possibly just a bad ground.
Just had the same problem with my '05 van. I put the Master Switch in the off position. I pulled fuse #7 on the driver side sub panel, located just above the engine hood release. I then disconnected the neg. terminal on the battery. I manually opened the pass. side slider and closed it.
I reconnected the battery and replaced fuse #7. I put the master door switch in the on position. I activated the auto door switch, and it worked.
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