07 v6 not starting after zex window switch install. - Page 2 - MustangForums.com


V6 S197 General Discussion This section is for technical discussions pertaining specifically to the V6 variation of the 2005 and newer Ford Mustang.
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Old 02-11-2010, 10:38 PM   #11
volcomchester18
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Originally Posted by Buckshot Barry View Post
Put the meter in "Ohms" test. Take the 2 probes and touch them together. You should get close to "0" ohms. Then you can pull each fuse and go across it with the probes. Good fuses should read close to "0" ohms. Open fuses (bad) should read close to infinity.
Well true, but most multimeter's will beep when you touch the probes together. Makes it easier, don't have to look at it just hear the beep.
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Old 02-11-2010, 10:40 PM   #12
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um why not turn on the key and set the volt ohm meter to volts DC setting. Then ground the black or negative lead and use the red lead to touch both sides of each fuse then you know for sure your getting voltage across the fuse. JMHO
Jeff
Unnecessary. Fuses either work or dont work. Waste of time. You can quickly and easily check them using the ohms function on mutimeter. When touching both sides of fuses if you dont hear a beep then the fuse is bad.
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Old 02-11-2010, 10:41 PM   #13
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so turn the ccar on, ground black, and then just touch the top of the fuses?
no just use the multimeter, put it on ohms setting. Touch both sides, should beep meaning fuse is good if it doesnt then you found the problem.
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Old 02-12-2010, 08:45 AM   #14
157dB
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Whats a Tach Wire?
S197s dont have a Tach Wire persay....

7 posts just on how to tell a bad fuse from a good fuse.
Stealership time for the OP if fuse diagnosis is beyond him...
Get your Oscope out and trace the tach wire to find the
break in the insulation thats letting the signal leak out.

Last edited by 157dB; 02-12-2010 at 08:52 AM.
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Old 02-12-2010, 09:31 AM   #15
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update, i checked all my fuses today using the ohms technique, and found one that wasnt bringing the meter down to 0. it was fuse F-40 on the diagram, the power wire from the coil is what sparked, and blew that 15 amp fuse. replaced it, and shes started right up! thanks for your help guys
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Old 02-12-2010, 10:14 AM   #16
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Good to hear. Welcome to MF btw
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Old 02-12-2010, 10:38 AM   #17
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Glad to hear it was that simple. Guess you did not have to make a Dealership run after all! Amazing what a bit of research and testing will do for us.
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Old 02-12-2010, 10:45 AM   #18
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Good to hear. Welcome to MF btw
hey, thanks for the welcome, i kinda like it here, i might stay a while!
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Old 02-12-2010, 03:00 PM   #19
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Glad you got it figured out and it was simple - now we just need some warm weather here and we can hit the track and see how your 75 shot does!
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Old 02-14-2010, 11:48 AM   #20
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Glad you got it figured out and it was simple - now we just need some warm weather here and we can hit the track and see how your 75 shot does!
you aint lyin! im hoping to be in the 13's for sure. but i dont want to get my hopes to high. my best so far is 14.485
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