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Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

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Old 07-15-2013, 12:42 PM   #1
michaelyerry
 
Join Date: Jul 2013
Vehicle: 1973 Ford Mustang Grande
Location: Georgia
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Default Help please 73 grande starting by it's self

I have been restoring this car for two years, it had been running great for about a year the other day the battery died on so i went to jump the car the car started as soon as the jump cables were hooked up the keys were not even in the ignition. I thought it was the ignition switch so i changed that today but the same thing keeps happening. I need to sell this car to get a car that is better for a college student. Please help!
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Old 07-15-2013, 12:53 PM   #2
120mm
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Starter solenoid stuck "on".

Starters are relatively cheap. Have it tested at the local auto parts place (they do it for free) or just buy a new one.
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Old 07-15-2013, 01:54 PM   #3
jimkaray
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The starter relay (not technically called a solenoid when mounted remotely) is stuck closed. Give it a sharp strike with a screwdriver handle and it should unstick it. You'll find it on the fender apron right behind the battery. The short positive cable runs to it and then a long one down to the starter. Get it replaced asap.
Here is an
one so its top dollar, should be $15 - $20 at your local AP store or RockAuto.com
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Old 07-15-2013, 05:37 PM   #4
120mm
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Quote:
Originally Posted by jimkaray View Post
The starter relay (not technically called a solenoid when mounted remotely) is stuck closed. Give it a sharp strike with a screwdriver handle and it should unstick it. You'll find it on the fender apron right behind the battery. The short positive cable runs to it and then a long one down to the starter. Get it replaced asap.
Here is an NOS one so its top dollar, should be $15 - $20 at your local AP store or RockAuto.com
Oops... you are right. They are dime a dozen and pry the most common thing to go wrong on the Mustang and I've replaced a bunch of them.

They are fragile, though. Don't wrench on them too hard.
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Old 07-15-2013, 05:45 PM   #5
DocSnickers
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solenoid or a ghost
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Old 07-15-2013, 06:50 PM   #6
boogerschnot
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I vote ghost..
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Old 08-27-2013, 02:23 AM   #7
Sonic Mustang
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It's self??? You must be attending a two year junior college.
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Old 08-27-2013, 06:45 AM   #8
fastbackford351
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And you must be the resident douche who thinks he is much smarter than he actually is.
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Old 08-28-2013, 12:38 PM   #9
Sparkiewalt
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I have the exact same car...had same problem...after 2 new solenoids I figured out that the wire going from my solenoid to my starter was too small, I replaced with the same size as ran from battery to solenoid. the smaller wire was causing extreme heat that was destroying my solenoids.
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Old 08-28-2013, 02:20 PM   #10
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Quote:
Originally Posted by Sonic Mustang View Post
It's self??? You must be attending a two year junior college.
So this is where I mention that if you're going to quote someone, you should use quotation marks. Did you not learn that at your institute of higher education?

Grammar Nazi grammar fail.
Smart *** smart fail.
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Old 08-28-2013, 02:20 PM
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