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Wont start, clutch safety switch??

  • Thread starter Thread starter beemrmem3
  • Start date Start date Jun 12, 2006
B

beemrmem3

Founding Member
Jan 8, 2002
831
0
0
Washington
Jun 12, 2006
#1
  • Jun 12, 2006
  • #1
So its raining here. I go to start my car and i push the clutch in and my foot slips off and the clutch comes back up really hard and fast. So i push it back down and turn the key. It acts like it does when you try to start it when the clutch isnt in. I tried it both ways. Clutch in and not it. Its like the safety switch got fowled up or something. Is there anyway to disable it so i can see if that is it?
 

mo_dingo

20+ Year Stangneter
Aug 26, 2003
3,031
2
58
Tucson, AZ
Jun 12, 2006
#2
  • Jun 12, 2006
  • #2
beemrmem3 said:
So its raining here. I go to start my car and i push the clutch in and my foot slips off and the clutch comes back up really hard and fast. So i push it back down and turn the key. It acts like it does when you try to start it when the clutch isnt in. I tried it both ways. Clutch in and not it. Its like the safety switch got fowled up or something. Is there anyway to disable it so i can see if that is it?
Click to expand...

The switch is basically one wire going in (white/pink stripe), hot with key in start pos. (hot w/ 12V+), and the other is only hot when the pedal is depressed and key in start. So jumping the 2 wires would bypass the switch. To test it, see if you have 12v+ on the output wire w/ key in start and clutch depressed.

It looks like it's the White with pink stripe wire, which is 12V+. One of two things. Check for 12V+ at the white/pink wire at the starter relay (last item in the circuit, so if you don't have it with the clutch depressed and key in held start position, then you know it could be the clutch switch.)

If you have it at the starter relay, check for 12V+ at the yellow wire at the starter relay. From there the 12v+ goes on a white/pink wire out of the relay to the starter solenoid, which activates the solenoid and starts the car. If you have 12v+ at the solenoid, check for 12V+ at the big red cable at the starter (hot all the time), and ground at the big black wire (ground all the time).

Remember, yellow is hot at all times when the key is in the ignition. The white/pink is only hot when you have the clutch depressed, key in the start position and factory anti-theft disabled if you have it.

Scott
 

SeventyMach1

Keep it lubed .... keep it straight .... and keep
Mar 30, 2005
1,940
3
36
North Carolina
Jun 12, 2006
#3
  • Jun 12, 2006
  • #3
If the switch goes out .... wouldn't it "try" to start in gear?
 

The Green GT

No 13 year olds are safe around me.
10 Year Member
Jan 8, 2006
1,269
19
99
Louisiana
Jun 12, 2006
#4
  • Jun 12, 2006
  • #4
SeventyMach1 said:
If the switch goes out .... wouldn't it "try" to start in gear?
Click to expand...
No, its like turning the key with the clutch up. Nothing happens.
 

bill302

Active Member
Nov 2, 2005
2,131
1
46
alabama,gadsden
Jun 12, 2006
#5
  • Jun 12, 2006
  • #5
SeventyMach1 said:
If the switch goes out .... wouldn't it "try" to start in gear?
Click to expand...
depends if the switch goes out or breaks in the open or closed position in the closed position it will...but generally they will go out or break in the open position....
 

MysteryMachine

Active Member
Jun 21, 2003
1,835
2
39
Parkesburg, PA
Jun 13, 2006
#6
  • Jun 13, 2006
  • #6
mo_dingo said:
The switch is basically one wire going in (white/pink stripe), hot with key in start pos. (hot w/ 12V+), and the other is only hot when the pedal is depressed and key in start. So jumping the 2 wires would bypass the switch. To test it, see if you have 12v+ on the output wire w/ key in start and clutch depressed.

It looks like it's the White with pink stripe wire, which is 12V+. One of two things. Check for 12V+ at the white/pink wire at the starter relay (last item in the circuit, so if you don't have it with the clutch depressed and key in held start position, then you know it could be the clutch switch.)

If you have it at the starter relay, check for 12V+ at the yellow wire at the starter relay. From there the 12v+ goes on a white/pink wire out of the relay to the starter solenoid, which activates the solenoid and starts the car. If you have 12v+ at the solenoid, check for 12V+ at the big red cable at the starter (hot all the time), and ground at the big black wire (ground all the time).

Remember, yellow is hot at all times when the key is in the ignition. The white/pink is only hot when you have the clutch depressed, key in the start position and factory anti-theft disabled if you have it.

Scott
Click to expand...

Damn dude do you sit and read the manual lol your post are very detailed lately
 
B

beemrmem3

Founding Member
Jan 8, 2002
831
0
0
Washington
Jun 13, 2006
#7
  • Jun 13, 2006
  • #7
Thanks for the responses guys. I was wrong though. It didnt break from my violent foot action. I decided to try and jump the starter, and found that the black wire with the female connector had come disconnected somehow. I was surprised it was that. It fired right up once i plugged it back in.
 

MysteryMachine

Active Member
Jun 21, 2003
1,835
2
39
Parkesburg, PA
Jun 13, 2006
#8
  • Jun 13, 2006
  • #8
Glad it was something simple. Don't ya hate when its something really stupid causing a big problem
 

mo_dingo

20+ Year Stangneter
Aug 26, 2003
3,031
2
58
Tucson, AZ
Jun 13, 2006
#9
  • Jun 13, 2006
  • #9
MysteryMachine said:
Damn dude do you sit and read the manual lol your post are very detailed lately
Click to expand...



Well I finally found This website and it is immensely useful. I am so glad to have it; before, my posts resort to "find a wiring and good frickin luck".

Having a good wiring diagram makes electrical problems very easy to solve. Without them, you are like the blind leading the blind.
Scott
 

HISSIN50

"How long does it take to get help in here?
15 Year Member
Nov 29, 1999
31,179
34
129
Jun 14, 2006
#10
  • Jun 14, 2006
  • #10
mo_dingo said:


Well I finally found This website and it is immensely useful. I am so glad to have it; before, my posts resort to "find a wiring and good frickin luck".

Having a good wiring diagram makes electrical problems very easy to solve. Without them, you are like the blind leading the blind.
Scott
Click to expand...
We have Tom Moss (diagram author for most of the schematics) and S&2B's (site host) to thank for providing such a wonderful reference.
 

MysteryMachine

Active Member
Jun 21, 2003
1,835
2
39
Parkesburg, PA
Jun 14, 2006
#11
  • Jun 14, 2006
  • #11
yeah Tmoss did like everythig on there. I'll have to check that stuff out someday
 
J

Johnstoneturbo

New Member
May 22, 2017
1
0
1
May 22, 2017
#12
  • May 22, 2017
  • #12
Hi, I have been interesting in this set of posts as I have a similar issue. Somethimes I will have the clutch depressed to start and nothing happens. Dash lights come on, sometimes a click, but not start. I may take several times to depress the clutch before the care starts in my 2015 GT. Many other times the car will start first time. I am wondering if it is a failing starter or this switch. Any thoughts? I would have thought that a broken switch or starter would simply work or not work rather than intermittently work. Thanks
 

General karthief

wonder how much it would cost to ship you a pair
20+ Year Stangneter
Aug 25, 2016
27,951
10,589
203
polk county florida
May 22, 2017
#13
  • May 22, 2017
  • #13
You may need to post this question on the s550 tech forums your car may be different than a fox
 
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