Could use some help from a certain mod... (vert problem)
Icemark,
Could use a bit of help here. The wife's vert top wont go back up, I have swapped the switch out, no fix. When I use the diag plug, it blows the fuse. Any ideas? I cant find the wiring diag for the 89 vert in the FSM... |
ill take a stab in the dark, could the wiring to the motors be ungrounded?
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Originally Posted by platinumpresto
(Post 7419488)
ill take a stab in the dark, could the wiring to the motors be ungrounded?
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Why not PM him.
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Originally Posted by rotorman85
(Post 7419522)
Why not PM him.
Because PMs aren't searchable.. If someone else has the same issue, then when I fix it I want everyone to know what fixed it. |
so voltage is coming out of the switch when you activate it? you will have to start ripping the car apart and metering the circuit
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Originally Posted by J-Rat
(Post 7419432)
I cant find the wiring diag for the 89 vert in the FSM...
Originally Posted by platinumpresto
(Post 7419488)
ill take a stab in the dark, could the wiring to the motors be ungrounded?
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looking at that diagram... could something be screwed up in the CPU?
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Originally Posted by arghx
(Post 7420589)
looking at that diagram... could something be screwed up in the CPU?
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Oops, I think I got this thread confused with another one... :dunce:
To correctly answer the question, the CPU has nothing to do with the roof control. |
well it looks like there is some kind of separate CPU (not the body computer, but it says CPU right there in the diagram for the motor) in the RH convertible motor assembly. but that motor is only for opening the top, not closing it?
anyway, checking that G/W wire would be a good place to start. just my two cents. |
Yeah, I am not sure where to start. I know that when I jumper the roof up on the diag plug, it frys the fuse. Guess I just have to tear it apart..
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Was the top always smoothly opening and closing? Or did it have any rough/tight spots?
I've seen a *smiliar* problem due to binding/wearing linkages. |
Originally Posted by classicauto
(Post 7422320)
Was the top always smoothly opening and closing? Or did it have any rough/tight spots?
I've seen a *smiliar* problem due to binding/wearing linkages. No, it goes up and down fine (when it works). I just works intermittently. |
Sorry just seeing this thread today.
Okay lets start with the basics... at the diagnostic plug there should be the Black/yellow, red/white and Green/White wires as well as black and Light Green. Turning the key to the ON position the Black/yellow should have 12 volts on it. Black is ground. With the key on, if we jump the Black/yellow wire to the red/white, the roof should open (as long as it is unlatched in the front). If it is already open (and the key is on) and we jump the black/yellow to the Green/white the roof should close. Now the other biggy is the parking brake feed. If the parking brake light does not light up, when you have the car running and you pull the brake up, then the top won't work. So have we been jumpering the wires correctly to test? |
Shit then, I'm out :rofl:
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Originally Posted by Icemark
(Post 7422358)
Sorry just seeing this thread today.
Okay lets start with the basics... at the diagnostic plug there should be the Black/yellow, red/white and Green/White wires as well as black and Light Green. Turning the key to the ON position the Black/yellow should have 12 volts on it. Black is ground. With the key on, if we jump the Black/yellow wire to the red/white, the roof should open (as long as it is unlatched in the front). If it is already open (and the key is on) and we jump the black/yellow to the Green/white the roof should close. Now the other biggy is the parking brake feed. If the parking brake light does not light up, when you have the car running and you pull the brake up, then the top won't work. So have we been jumpering the wires correctly to test? |
Originally Posted by J-Rat
(Post 7422382)
Yep, when you jumper it to open, it works fine(the top opens). when you jumper it to close, it pops the fuse. As of now, the top is stuck down.
If you meter the Grn/Wht does it rest at a perfect ground or does it have a couple of ohms of resistance? |
Originally Posted by Icemark
(Post 7422406)
Then that points to either a bad motor or a pinched wire.
If you meter the Grn/Wht does it rest at a perfect ground or does it have a couple of ohms of resistance? :) Where would I look for pinched wires? |
Originally Posted by J-Rat
(Post 7422428)
Gotta wait till the wifey brings the car home tonight. She insisted on driving it even though the top is stuck down. She is a bit strange..
:) Where would I look for pinched wires? |
Originally Posted by Icemark
(Post 7422447)
was there any work done recently on the passengers side, or spare tire area, or underhood? Those are the most common pinch spots
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Originally Posted by arghx
(Post 7421181)
well it looks like there is some kind of separate CPU (not the body computer, but it says CPU right there in the diagram for the motor) in the RH convertible motor assembly.
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Are you sure on that? I was told when I did my turbo swap in my vert that if I put the turbo ecu the top would not work? Its a s5. Would a j-spec ecu work then? Just a thought I had. Thanks
To correctly answer the question, the CPU has nothing to do with the roof control.[/QUOTE] |
Originally Posted by siguy2k
(Post 7424581)
Are you sure on that? I was told when I did my turbo swap in my vert that if I put the turbo ecu the top would not work? Its a s5. Would a j-spec ecu work then? Just a thought I had. Thanks
To correctly answer the question, the CPU has nothing to do with the roof control. There is the CPU that is the body computer found in the drivers kick panel, and the power roof CPU that is built into the right side roof motor. And I am not sure about what harness the power top underhood/ diagnostic plug is in on a S5. If it is part of the engine harness (which I don't believe that it is), then yes you would need the correct engine harness for a convertible or re-wire the harness. Again, I am not sure about S5 models if they run the top controls through the engine harness as I try and avoid S5 models at all cost. |
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