Help!! Won't Crank

Electrical and Ignition

  1. YoungDuster

    YoungDuster Well-Known Member

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    Hey today i got a new battery moved from a refurbished old batt to a new battery 800cc, i tryed to turn my motor over it cranked but as i was feathering her to start she wouldnt so i stoped cranking and feather thinking maybe i had flooded the motor but when i tryed to start her again nothing no cranking sound nothing but white smoke and what smelled like burned rubber or plastic came out from the hood not a huge amount but a good amount, only things beside the battery i touched at all today was i checked my airfilter and messured it then put it back on didnt even touch the carb cap or anything. accel ignition and wires points distrubutor. please help 1972 plymouth duster 340 model but i have a 318 in it right now mild cam and lifters 750 holley 4 barrel carb. temp outside today is 42-53f, What happened? and what can i do to fix it/how do i fix it
     
  2. rmchrgr

    rmchrgr Skate And Destroy

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    Check your battery cable connections, make sure you didn't switch them by accident.
     
  3. YoungDuster

    YoungDuster Well-Known Member

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    thats what it was wife came out and i was turning the bat around to fit in the tray forgot i turned it around fucking rookie move possible damage im going to try an do another start now
     
  4. 67Dart273

    67Dart273 FABO Gold Member FABO Gold Member

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    You probably burned up the fusable link. This is down by the bulkhead connector. It goes from the big battery stud on the starter relay to the bulkhead. Find it and feel it. Sometimes they blow internally. You may have fried other wiring, as those things have a habit of "allowing the Rome to burn" and then popping too late.

    You can hope you didn't do any damage to solid state devices.

    When you decide to try it again, put a big lamp, like a stop lamp bulb, in series with the battery ground wire. Make sure everything is "off" in the car as well as the dome lamp. Hook up the battery. If the series connected lamp lights, you STILL HAVE A SHORT.

    If so post back

    You can download shop manuals here

    http://www.forabodiesonly.com/mopar/showthread.php?p=1970088617

    More manuals and more stuff here

    http://www.mymopar.com/index.php?pid=31
     
  5. YoungDuster

    YoungDuster Well-Known Member

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    no crank whatsoever but its in right now, do i need new wires distru sparks start?
     
  6. YoungDuster

    YoungDuster Well-Known Member

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    also no light an such in the car i can connect to, where can i get new wires im pulling the engine in a week or so to put headers on so itll be easy to reach everything like if its only like 50-100$ ill replace it all it was all factory 72 some were getting rough
     
  7. 71340Duster

    71340Duster FABO Gold Member FABO Gold Member

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    Do what 67Dart273 is telling you, if you didn't already know he is awesome on electrical, very willing to help but try what he recommends first and ask questions, he's very helpful.
     
  8. YoungDuster

    YoungDuster Well-Known Member

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    iv never done the electrical in any car i start away from it so should i outsorce or is this something simple enough i could do
     
  9. YoungDuster

    YoungDuster Well-Known Member

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    ok its pitch black right now ill need to wait till the m to check it and ill find a bulb
     
  10. 67Dart273

    67Dart273 FABO Gold Member FABO Gold Member

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    Here's the thing that happens when you reverse a battery:

    NO solid state electronics "like" this and if you had the key "on" when this happened, there are several things in the car that are not fused

    If you have some form of electronic ignition, that's not fused

    The voltage regulator is not fused

    The diodes in the alternator don't like this at all

    So the question becomes "what was powered" at the time and "did the link" blow quickly enough?

    This is always a gamble.

    Another good read is this article: Even if you don't perform this "mod" it goes through the main power distro in the car

    http://www.madelectrical.com/electricaltech/amp-gauges.shtml

    Download the shop manual. Read section 8. There are diagrams in the rear, and the bulkhead connector will be outlined there as well.

    Post back to this thread when you "get into" it.
     
  11. Bcudamatt

    Bcudamatt Burnin Hot Foot

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    Before I go on - Are you sure you have the right connections on the battery - Check the Polarity - POS and NEG - the battery you received may be different in configuration.
    Poles are different in appearance. Double Check Please.

    If Backwards you may have easily fried some wires. See below;

    Sounds like you might have a short - look for any fried wires. Check your wiring Before doing anything else. Any bad wiring or mice problems. Check it all very carefully.

    Hope this helps,
    Bcudamatt
     
  12. rmchrgr

    rmchrgr Skate And Destroy

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    Get some help.
     
  13. Bcudamatt

    Bcudamatt Burnin Hot Foot

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    Geez - you guys respond before I can type it it - What a great site!!

    Bcudamatt
     
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