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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

2001 gt convertibletop wont go up or down?>

  • Thread starter Thread starter imdadrdre
  • Start date Start date Mar 14, 2018
I

imdadrdre

New Member
Dec 16, 2017
3
0
1
Mar 14, 2018
#1
  • Mar 14, 2018
  • #1
does someone have a flow chart for troubleshooting this problem i dont know if its the switch ,wiring ,motor ,or where to statrt ? im thinking if i can get the wiring scheme of the switch pinout to the motor for top i may be able to get it thanks
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Mar 15, 2018
#2
  • Mar 15, 2018
  • #2
If interested in getting a full factory service manual and wiring diagrams for your car I maybe able to help. PM if interested.

But if this were my car the first thing I would CONFIRM a good ground to the raise and lower relays.

Here's some information on how to perform a voltage drop test.

Howto perform charging system voltage drop test
https://www.stangnet.com/mustang-fo...perform-charging-system-voltage-drop-test.56/
 
I

imdadrdre

New Member
Dec 16, 2017
3
0
1
Mar 17, 2018
#3
  • Mar 17, 2018
  • #3
its all factory why would the ground matter? where do i check that ? it used to work fine..
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Mar 17, 2018
#4
  • Mar 17, 2018
  • #4
imdadrdre said:
its all factory why would the ground matter? where do i check that ? it used to work fine..
Click to expand...
What things could affect both the raise and lower functions?
  • Fuse or Circuit breaker
  • ground
  • bad convertible top pump motor
Doesn't your car have a safety feature to prevent the operation of the convertible top unless the parking brake is set? Guess what. How does the safety brake work? Hint by breaking the ground from the raise and lower relays.

As to why it used to work and doesn't now isn't that the $64,000 question?

Where to you live? Do they salt the roads where you live? How about does it rain where you live? Have you EVER spilled a drink in the center console?

IF this were my car I would start with the basics. IE power and grounds. Confirm there is key on +12 volts at the convertible relays. Confirm there's a STRONG ground path all the way back to battery negative. Confirm that the control side of the raise and lower relays has a good ground with the parking brake up. Confirm that the ground goes away when the parking brake is off.
 
I

imdadrdre

New Member
Dec 16, 2017
3
0
1
Mar 17, 2018
#5
  • Mar 17, 2018
  • #5
wmburns said:
What things could affect both the raise and lower functions?
  • Fuse or Circuit breaker
  • ground
  • bad convertible top pump motor
Doesn't your car have a safety feature to prevent the operation of the convertible top unless the parking brake is set? Guess what. How does the safety brake work? Hint by breaking the ground from the raise and lower relays.

As to why it used to work and doesn't now isn't that the $64,000 question?

Where to you live? Do they salt the roads where you live? How about does it rain where you live? Have you EVER spilled a drink in the center console?

IF this were my car I would start with the basics. IE power and grounds. Confirm there is key on +12 volts at the convertible relays. Confirm there's a STRONG ground path all the way back to battery negative. Confirm that the control side of the raise and lower relays has a good ground with the parking brake up. Confirm that the ground goes away when the parking brake is off.
Click to expand...


where are these relays located?
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Mar 17, 2018
#6
  • Mar 17, 2018
  • #6
imdadrdre said:
where are these relays located?
Click to expand...
Under the rear seat.
 
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