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Search Auto Parts Search 2000 dodge neon wont start after hooking battery up backwards Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical Mike Piper Novice Jul 9, 2010, 7:08 PM Post #1 of 5 (6217 views) 2000 dodge neon wont start after hooking battery up backwards Sign In 2000 Dodge neon 2.0 145,000 I replaced the battery in my neon with the one out of a dodge d 50 and forgot that the d 50 has reverse terminals so consequently i hooked the battery up backwards and now the car wont start. I put a new starter in. checked fuses and relays, even traced wires. The little brown and black wire coming off the back of the starter dont get any power. I traced it up the the starter relay where i lost the wire. Best i could tell it had something to do with the yellow wire that runs from the relay to the ignition (which has power). Then i checked the button under the clutch peddle and i has no power to or from it at any time. This is where i stopped. it could be the clutch sensor, the computer, the alternator or any other number of things. But i do now its NOT the starter or the relay. at this point any advice is good advise. Thanx. Tom Greenleaf Ultimate Carjunky / Moderator Jul 10, 2010, 7:18 AM Post #2 of 5 (6209 views) Re: 2000 dodge neon wont start after hooking battery up backwards Sign In This might have a fuse or fusible link between battery and alternator to verify, T Mike Piper Novice Jul 10, 2010, 1:46 PM Post #3 of 5 (6200 views) Re: 2000 dodge neon wont start after hooking battery up backwards Sign In I will check but do you know where about it/they might be. Tom Greenleaf Ultimate Carjunky / Moderator Jul 10, 2010, 3:07 PM Post #4 of 5 (6195 views) Re: 2000 dodge neon wont start after hooking battery up backwards Sign In I have no specifics for this car but just check every fuse you can find for continuity and with a test light that both sides light up. Some won't light either if not enabled. Fusible link is just wire looking and generally will wrinkle up as wire inside has blown. Follow the path of wires with a test light as best you can. One to alternator should be hot. That's general ideas of how things work. Reversing polarity could be a real problem with some items as much is controlled by a BCM (body control module) which may also control alternator on this. Ignition sends voltage to trigger the solenoid for the starter which itself probably wouldn't be killed by that especially if you didn't try to start it and caught the problem right away. Just hope there's some failsafe wire or fuses as this could have done extensive damage depending on how long or what you attempted while it was reversed. Don't just go replacing parts like the starter without testing them. Those you can make work on the floor with jumper cables or take the unit to many parts outlets for testing before tossing it. If that battery was fully installed and clamped in and you tried to start it I just can't say how much would be damaged by the reverse polarity. Hope you get lucky, T Mike Piper Novice Jul 12, 2010, 10:39 AM Post #5 of 5 (6181 views) Re: 2000 dodge neon wont start after hooking battery up backwards Sign In it was only hooked up for 30 seconds or so.i am going to work on it today. i will get back to you on what i find thanx   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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