Question about Cars & Trucks
Reversed polarity on my battery from charger Now it won't start and lights don't work
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Posted on Jan 02, 2017
start checking fuses hopefully its just another blown fuse if your lucky
but if all the fuses are good, you probably fried something like the computer or ignition module and probably the radio
hopefully its something simple and cheep but don't be surprised if you have to shell out some cash to replace the computer
Posted on May 16, 2009
who ever made the new battery has accidently mad eit with reversed polarity there is a way of changing this i think you just charge it with the reverse polarity minus to positive ect
Posted on Sep 01, 2009
SOURCE: polarity reversed on power seats
It shouldn't be possible to invert connector plug but what ever you did prior to this situtation is suspect ! Try reversing the plug wiring , It's designed to turn in both directions and will not damage the motor ie back / forward. Good Luck
Posted on Apr 11, 2010
SOURCE: my brother hooked up the
At the starter relay on the fender that the positive wire goes too ( it's short) there's several other wires under the same bolt. These are fuseable links and should be replaced with the same kind of wire. Theirs likly maybe two of these wires burnt in two. If your luckly the fuseable links burnt though and the alternater and the cumputer weren't burned up. With the wire replared and when you go to connect the battery make sure the key is off and lights and doors are closed and strick the cable to the battery post to see if it sparks. It it sparks very much at all won;t connect it but put a test light bewteen the cable and the battery post and it'll light. if it's bright something is on. If the altenater was damaged it may be on so diconnect it. The big wire on the altenator, If the test light is still on keep pulling fuses and disconnecting things till the light goes out or is dim. them connect as much as you can and light light remain dim or out till you have as much as possible connected then try to start the truck. If it runs now check to see what doesn't work and see what it takes to fix or replace them and your back on the road.
Posted on Dec 05, 2010
I'm sorry to hear that that happened to you. I think that when opposite polarity blows a bunch of fuses, and smoke pours out of the dash, it's a worst case scenario.
I've seen what electrical fires can do to wiring, and it's not pretty.
I'm not sure about the Chrysler 300 from 2005, but commented anyway.
Good luck on repairing this problem. You may need the assistance of an auto electric shop.
Posted on Dec 12, 2010
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