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problem with motor not shutting off with key
http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=18&t=14537		 Page 1 of 2
Author:  snail rail [ Tue Dec 25, 2012 11:32 am ]
Post subject:  problem with motor not shutting off with key
just put another motor on my buggy and its practically identical setup as what I was previously running but its a different generator and external voltage regulator. also this is an electronic dist instead of points. I've been looking at countless wiring diagrams and have had no luck. buggy starts fine with key and hot wire to dist and coil are only hot with ignition on. and black wire from dist is hooked to negative side of coil but when it starts you can turn key off and it continues to run and I gotta pull coil wire to shut it off... the 2 wires from generator are hooked directly to regulator. Any ideas? I know its a pretty simple fix but electrical gremlins aren't my strongest point... :? possible grounding issue?
Author:  2800passat [ Tue Dec 25, 2012 1:43 pm ]
Post subject:  Re: problem with motor not shutting off with key
just another guess. is the ignition hot wire wired into the accessory post of the key switch or you are getting power onto the wire by stray voltage. Follow it with a test lite or volt meter until you find current with the key off.Start at the key switch back.Other than that your alternater is wired so it feeds the coil continuously.
Author:  snail rail [ Tue Dec 25, 2012 3:02 pm ]
Post subject:  Re: problem with motor not shutting off with key
Acc isn't hooked up, should it be? can anyone come up with wiring diagram for this setup
Author:  holeman [ Tue Dec 25, 2012 3:55 pm ]
Post subject:  Re: problem with motor not shutting off with key
test with a meter across the batt terminal and ign terminal on switch and make sure it breaks the circuit.
Author:  hpfreak [ Tue Dec 25, 2012 8:10 pm ]
Post subject:  Re: problem with motor not shutting off with key
i had the same problem. i ended up hooking the wire from my alternator to the acc. side of my ignition switch so it isolates it from the ignition when the switch is off
Author:  2800passat [ Tue Dec 25, 2012 8:58 pm ]
Post subject:  Re: problem with motor not shutting off with key
do you mean the alt. charging lite or the big power wire?
Author:  snail rail [ Tue Dec 25, 2012 9:01 pm ]
Post subject:  Re: problem with motor not shutting off with key
Which were you running generator or alternator? Since i have generator which would i need to run to acc?
Author:  hpfreak [ Tue Dec 25, 2012 9:02 pm ]
Post subject:  Re: problem with motor not shutting off with key
im running an alternator but the wire im talkin about is the one going through the light
Author:  Stevo [ Tue Dec 25, 2012 9:50 pm ]
Post subject:  Re: problem with motor not shutting off with key
Put a diode in the circut that lights the alt light. The alt is feeding back or if you have and electric it will do it too
Author:  snail rail [ Wed Dec 26, 2012 10:22 am ]
Post subject:  Re: problem with motor not shutting off with key
Like i said electrical stuff isn't my strong point, and I'm not running a light. isn't there a. diagram i could go by or can anyone tell me what wire to run to acc?
Author:  holeman [ Wed Dec 26, 2012 12:03 pm ]
Post subject:  Re: problem with motor not shutting off with key
nothing has to go to ACC
Author:  2800passat [ Wed Dec 26, 2012 2:21 pm ]
Post subject:  Re: problem with motor not shutting off with key
yall correct me if I'm wrong, but don't the alt wire come out of the acc. side, go thru the charging lite and back to the alt? When the alt is charging it opens a ground inside making the lite go out. 2nd Is your pos ignition wire ran to the always hot supply lug on your key switch? Look closely. With EVERYTHING turned off, disconnect the neg side of your battery and put a test lite between the post and neg clamp.If the lite comes on youve got a short to your frame or something giving something stray voltage.(A pos touching negative somewhere).EX: burt out switch, armature laying on a stator on an electric motor or starter(because of bad bearrings), bad toggle switch or naked wires behind a lg switch.Wires melted to each other.A smooth sea never made a skillful sailor.Voltmeters are great for finding breaks inside of wires , weak/good current and bad grounds.
Author:  holeman [ Wed Dec 26, 2012 3:08 pm ]
Post subject:  Re: problem with motor not shutting off with key
the wire from switch thru lite to alt comes from ign terminal
Author:  holeman [ Wed Dec 26, 2012 3:22 pm ]
Post subject:  Re: problem with motor not shutting off with key
the wire through the indacator light just excites the alternator once alt starts charging the circuit is broken and light goes out.
Author:  hpfreak [ Wed Dec 26, 2012 4:59 pm ]
Post subject:  Re: problem with motor not shutting off with key
in an alternator setup the small wire is for excitation of the field. to understand what im about to say you must understand voltage flows from negative to positive. an alternator always has the same voltage at the big terminal 13.8- 14.5 with alternator turning the field just controls amperage. if battery voltage is lower than alternator voltage current will flow from the ignition to the the field terminal on the alternator, energizing the field causing current to flow to the battery thus charging it. if battery voltage is higher than alternator voltage (alternator is bad or not turning) enough current flows from the alternator to the batter to light the charge light. you can run a diode if your not running a light but that would just be stupid. the charge light is the first thing that tells you your belt flew off and your and your motor is about to meltdown.
Author:  hpfreak [ Wed Dec 26, 2012 6:12 pm ]
Post subject:  Re: problem with motor not shutting off with key
this is the way i was taught. someone please feel free to challenge this maybe ill learn some thing new. but this theory seems to always make sense.
Author:  hpfreak [ Wed Dec 26, 2012 6:39 pm ]
Post subject:  Re: problem with motor not shutting off with key
i know this doesnt help but i just wanted to clear some things up. if you can post pics of you generator and voltage regulator ill try to find the proper wiring diagram and do my best to explain it to you.
Author:  Maddog [ Wed Dec 26, 2012 6:49 pm ]
Post subject:  Re: problem with motor not shutting off with key
Image
With toggle switch
Image
With universal key switch
Author:  hpfreak [ Wed Dec 26, 2012 7:04 pm ]
Post subject:  Re: problem with motor not shutting off with key
those are nice where did you find those?
Author:  Maddog [ Wed Dec 26, 2012 8:09 pm ]
Post subject:  Re: problem with motor not shutting off with key
From Dale on the Samba.
Author:  holeman [ Wed Dec 26, 2012 9:15 pm ]
Post subject:  Re: problem with motor not shutting off with key
that is showing what i been saying all along
Author:  hpfreak [ Wed Dec 26, 2012 9:36 pm ]
Post subject:  Re: problem with motor not shutting off with key
yes holeman we all agree the wire goes to the ignition side of the switch IF your running a light. no light means no resistence which allows enough current to power the ignition with the switch off. I was simply offering a simple solution to his problem by hooking it up to the accesory side. the ign aand acc. terminals are two seperate circuits only combined when the switch is in full run position. when the key is turned off the ign. and acc. terminals are not connected allowing no voltage from the alternator to reach anything.
Author:  ridenrace6 [ Thu Dec 27, 2012 3:28 am ]
Post subject:  Re: problem with motor not shutting off with key
Image
Author:  holeman [ Thu Dec 27, 2012 9:30 am ]
Post subject:  Re: problem with motor not shutting off with key
hpfreak my last post wasn't ment to be like i told ya so.it was like i wasn't sure i was explaining it clearly.
Author:  tw9294 [ Thu Dec 27, 2012 11:31 am ]
Post subject:  Re: problem with motor not shutting off with key
if you still have alternater from previous engine swap it and alt stand (they are different from gen to alt) to new eng.
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