Have a harsh jerking movement while using my pride scooter. batteries show full charge on meter but charger red light on with green light blinking.batteries new. any ideas why it jerks so bad when trying to move in either direction? d.dell

Sounds like old exhausted batteries to me.

Most pride chargers show up the green light when batteries r charged...when charging u should have a red power led & an orange led ...hope this helps

First measure the voltage of the batteries at the charging socket of the joystick.

It could be a battery connection, or maybe your key switch?
Or a connection problem between batteries and the motor controller
or the free wheel switch is on.

make sure battery cables are secure at battery terminals and clean.how old are the batteries.If the batteries run down fast they are no good.a good way to test them is put scooter against some thing solid and go forward.If the battery indicator drops to o the batteries are no good.It takes about 10 hours to charge the batteries

Is there a power switch on the charger? Is charger connected to the battery? Are the batteries fully charged?

With a Pride Scooter the charger will turn green if its fully charged and if there is a bad connection in the wiring with the batteries. If you plug in the charger and the light comes on green right away then there is a problem with the wiring or connections. Take a voltmeter and read the voltage at each battery. Fully charged they should be 13-15 volts each. If they are less than 12 volts then they are not charged and the charger is not working correctly. If the batteries are really low like less than 8 volts each then the scooter might not come on at all. If you find that the batteries have at least 12 volts or more then there is a wiring problem from the rear of the scooter to the front tiller. Pride has a habit of developing problems in the harness running from the rear to the tiller. My suggestion is to contact your provider (where you got the scooter) and have them troubleshoot the scooter. If the scooter is less than a year old then it should be under warranty and your provider will have to fix it under warranty. Sorry I don't have a quick fix for you but scooters are notoriously bad to troubleshoot and repair, especially long distance. Hope this helps you

Hi. Check the main battery fuses. These are under the black heat shrink half way along the red positive battery leads.
Also use a multi-meter, and plug the probes into the charger socket on the scooter. You should be able to read the full battery voltage on the meter. If you can't, there will be a faulty connection somewhere.
I service Pride scooters here in New Zealand, and I find them reliable.
Good luck. Neil.

It is impossible to overcharge with the Pride charger. When the battery is full, it will stop charging and check about oncew a miute to maintain the charge.

Now, when you plug in the key (looks like an audio headset jack) does the battery meter indicate a full charge? Also, the scooter will not move if its in free wheel mode, and it will not move if the charger is plugged in. Beyond these first steps, you will need a voltage meter to troubleshoot.

The Sonic has an off board charger. IF the scooter is not charging, you may need to replace it. If you a technically inclined, you can measure the voltage out of the charger, it should be more than 28 V. You may need to contact Pride for more help.