Lets make sure the all battery terminals have the correct cable ,heres a web sit that you can go on to double check.http://www.pridemobility.com/pdf/Owners_Manuals/US_Jazzy/US_Jet_3_Ultra_om.pdf
Page 40 shows a diagram that covers it all.
Next after confirming that everything is connected correct,plug the chair in like if you where going to charge it,
I want you to check your ammeter if the needle moves to the center of the gage your charging if not you may have a bad charger.
What I would suggest is taking the cables back off of the battery and plug the charger into the wall. Then check for voltage on the two cables. If you are not getting any voltage, then the battery charger is bad. And will need replaced.
Answers & Comments
Lets make sure the all battery terminals have the correct cable ,heres a web sit that you can go on to double check.http://www.pridemobility.com/pdf/Owners_Manuals/US_Jazzy/US_Jet_3_Ultra_om.pdf
Page 40 shows a diagram that covers it all.
Next after confirming that everything is connected correct,plug the chair in like if you where going to charge it,
I want you to check your ammeter if the needle moves to the center of the gage your charging if not you may have a bad charger.
Good luck hope i was helpful
What I would suggest is taking the cables back off of the battery and plug the charger into the wall. Then check for voltage on the two cables. If you are not getting any voltage, then the battery charger is bad. And will need replaced.