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  1. Charger Discussion (3rd Gen - 2015 +)
    Last week I had to get a battery replacement but when I did, the computers in the car started bugging out. I was able to work out all the software issues via DiagFCA but I still can't remote start the car because, according to DiagFCA, it thinks it's not in park or neutral when I hit remote...
  2. Magnum General Discussion (2005 - 2008)
    My battery finally went to the great battery graveyard in the sky and it's time for a new one. While looking around for the current best rated ones, I found some posts about putting an H8 sized battery in place of the original H7 sized battery by using the shorter battery hold down bracket from...
  3. Maintenance
    Hey all. I have a 10yr old Optima yellow top. I don't drive much and I've killed the battery maybe 4 or 5 times in the last year and had to put it on a charger overnight. Now, even after a charge, it's only getting to like 11.5 V and will not start. I'm using the Optima 1200 smart charger...
  4. General LX Discussion (1st Gen - 2005 to 2010)
    Ok, thank you for your time. I jump started the charger and several minutes after I had it running it died and lost all electrical. I tried to jump start it again and the cables melted! Called roadside service, same result, melted cables. Took battery in and got a new one. Installed it and...
  5. 300C, Magnum RT & Charger RT (5.7L V8)
    New AGM battery bought in April 2021, but wasn't installed until Sept 2021. Car ran fine with new battery for nearly 2 months. Car started and then died a second later. Would crank but not start after. Charged battery with a new Shumacher fully automatic charger on the 2<>6 setting and the...
  6. 300 General Discussion (1st Gen - 2005 to 2010)
    5.7L 2005 Magnum. Engine stalled a few times at idle. Got a "ding" but no codes set. Computer (PCM) appears to have completely lost power and reset the tests and Clr distance. It restarted immediately. Also died and came back to life while driving a couple times- again no check engine light...
  7. Automotive Electronics (Audio & Video)
    Optima has a Yellow Top H7 (Optima calls it a DH7) now, for the people who haven't lost faith in the company as a whole. I'm not saying I'm running out to buy one; I've got an Odyssey AGM in my truck that replaced a Red Top, and a Champion AGM in my 300... Looks like $299 is the going rate and...
  8. Magnum General Discussion (2005 - 2008)
    I had my magnum in storage for about 2 yrs. I forgot to disconnect battery, it had discharged to 0 volts. I got the battery out of my 08 ram truck and installed into magnum. No crank....i grabbed another vehicle and hooked up jumper cables, still no crank. Lights, windows everything else...
  9. The Gas Tank (93 Octane)
    Yeah these lights came on a few days after a 700 mile drive to Fla. 30 min later the battery light went on but went off after a restart. Any ideas? thx.
  10. The Gas Tank (93 Octane)
    Rate of change is now truly - exponential... New Energy Department Battery Target: Shocking Drop To $60 / kWh :^)
  11. Charger Discussion (3rd Gen - 2015 +)
    What is the correct battery size for a 392 Charger? AutoZone lists H7-EFB, H8-EFB, H7-DLG, H8 DLG, Size 49, Size 94R, Size H7, Size H8, etc. I have no idea what I have currently as my build sheet only states: 730 Amp Maintenance Free Battery. The owners manual also doesn't state the correct...
  12. Charger Discussion (3rd Gen - 2015 +)
    I noticed after I got the car reassembled that the dash lights and shifter lights stay on all the time. I have updated uconnect with no fix. If you disconnect and reconnect the battery they go off like they should until the first key cycle then they stay on till the battery goes dead. I had a...
  13. Charger Discussion (1st Gen - 2006 to 2010)
    So my kids 2007 Police package with 116K got him stranded as the car died, but previous to that was running fine. I got it back, found the battery connections were loose and battery was nearly dead. Charged it, and it started just fine, idled good, and I drove it a few miles no issues. The...
  14. Charger Discussion (3rd Gen - 2015 +)
    I have a 2020 Scat Pack with 12,000 miles. Today I unhooked battery for couple hours while I was working on speakers in rear deck. I hooked battery back up and now I have a bunch of stuff not working or even on screen. climate control is either Hi or Lo or off. Temp cannot be set. No backup...
  15. Ontario
    I bought my '05 SXT in 2016 and it had an undersized 2014 battery in it. It was still working okay even with COVID reduced driving, until a couple of days ago with -10°C temperatures it failed to start, requiring a boost and then again failed when I was out and I had to get another boost. So I...
  16. General LX Discussion (1st Gen - 2005 to 2010)
    My 05RT OE battery was replaced at about 10 yrs with an Advance Auto AGM. It lasted about 6 1/2 yrs. I replaced it today with a Walmart Everstart standard battery that has a sticker on it that says Made in Germany! How about that! A Walmart battery made in Germany. $150 plus tax. I wonder...
  17. Challenger Discussion (2008 to 2014)
    Car has been garaged since Oct as I;m trying to get the throwing belt problem fixed. Now a new battery that was put in in December has died. It will not charge more than 9 volts. The car has locked me out after i put it on charge. I have looked at all the lights and even disconnected my phone...
  18. General LX Discussion (1st Gen - 2005 to 2010)
    Went to go to work this morning, 06 Mangum RT fires up, shuts off within 5 seconds. Over and over. No code came up. Drove a pickup to work, no big deal. But can't get the fob to unlock the car remotely, or get the car to even crank anymore. I'm not seeing a security light, but I also don't know...
  19. Charger Discussion (3rd Gen - 2015 +)
    Over the last few years I've cleaned car changed oil and filter, attached battery tender and that's it for winter storage, starts up in Spring no problem. I read where some disconnect battery, reconnect come Spring and car fires right up, Any advantage to either method?
  20. The Gas Tank (93 Octane)
    How long do they last??? My 2011 summer only driven Charger has the original battery which works well. I start the car every few weeks while it is parked for the winter in underground parking. Will it last another winter or should I play it safe and go with preventive maintenance? I replaced...
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