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Old October 16th, 2009, 12:38 PM   #1
Lothos
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starter manual power

I've had it with the stupid starter solenoid on my F150 crapping out. I wanna put a push button on the dash for power to the starter motor and leave the solenoid in place for the cog kicker which never seems to fail. Any idea how much amperage that I have to account for? I have old winch solenoids that I think are high enough and just run that to a switch.
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Old October 16th, 2009, 12:57 PM   #2
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IMHO, grab an old fender-mounted solenoid from the 60's and 70's. It'll take the starter current, and has two poles that you can run your switch to.
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Old October 17th, 2009, 01:29 AM   #3
Yota Bill
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the starter can easily draw 400 amps or more, depending on alot of variables (engine size and condition, oil viscosity, relative temp, battery cable size and condition, etc.) I hope you dont mean you want to run all of that through a switch on the dash.

alot of winches run a Ford style solenoid anyway, so just running a Ford starter solenoid is still the best bet. if thats the style your burning out, then first check all of your connections, and make sure they are clean and tight, including all grounds. Have a shop check the starter draw, or you can buy the inductive style amp guages that read high enough to check that pretty cheap, I think I paid about $30 for the set off of the Snap On truck, maybe less, dont really remember. You wont find a spec for the starter current draw, since there are way too many variables, but 300 to 400 is pretty average, if its drawing over 500 you have a problem else where.
If all of that is fine, then buy the solenoid from a different store.
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Old October 17th, 2009, 10:22 AM   #4
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I've already confirmed in the damn starter solenoid/relay. It's a mazda tranny and starter though in my MY F150.

My thought was to use a push button on the dash to trigger a high amp solenoid higher up in the engine compartment. I have one's I had gotten for the Warn 9000i I have that were not the correct duty cycle. They would be fine for the starter motor if they can handle the amperage.

It pisses me off though that its gone so fast with the truck just sitting now instead of out wheeling and always getting it wet which almost guaranteed a kill on the relay/solenoid.
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Old October 17th, 2009, 10:41 AM   #5
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I know, I see your truck never moves every time I'm down your street.
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Old October 17th, 2009, 04:41 PM   #6
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Quote:
Originally Posted by xjmichigan View Post
I know, I see your truck never moves every time I'm down your street.
it moves, just always parks in the same spot. Besides...why are you stalking me?
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Old October 19th, 2009, 12:09 AM   #7
Yota Bill
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then just get a Ford starter solenoid, mount it on the fenderwell by the battery, and tap into the "s" wire going to the starter to energize it...no need to add a button on the dash
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Old October 19th, 2009, 07:04 AM   #8
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i suppose I can do that too, I still need to rely on the stock location one for the starter cog kickout though.
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