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Trunk electric lock question

Old Mar 14, 2025 | 10:19 PM
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Bob54's Avatar
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From: Pennsylvania
Default Trunk electric lock question

A mouse got in my trunk and chewed the pneumatic line, which I fixed, but my electric trunk lock is not getting any signal, does anyone know how to trace this electric line down,
I am having trouble reading the schematic, and the top won't go down, I guess, because it thinks the trunk is not locked?? ( 2006 Roadster convertible)
 

Last edited by Bob54; Mar 16, 2025 at 11:02 AM.
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Old Mar 18, 2025 | 10:17 AM
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From: Indialantic Fl./blairsville Ga
Default re: Trunk electric lock question

sorry i do not know much about the convertible top, but the lock system needs Vav /pressure
to work and there is a storage tank , that makes the lock work when engine is off.
does the fob still work the door locks if yes then maybe recheck the lock/unlock hose.
 
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Old Mar 18, 2025 | 04:09 PM
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From: Pennsylvania
Default re: Trunk electric lock question

Thanks, yes everything is fine except the electric lock not getting any juice, which I switched out with a new one, still not working on the car, works off car the when I test it.
 
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Old Mar 18, 2025 | 04:22 PM
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From: Indialantic Fl./blairsville Ga
Default re: Trunk electric lock question

have you checked the batt in the fob. look up how to change the batt in the fob,,, a lot of people brake the housing,,, there is a special
way to take it apart.
 
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Old Mar 18, 2025 | 04:31 PM
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ZERACER's Avatar
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From: Orange County CA.
Default re: Trunk electric lock question

And Fuses
 
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Old Mar 18, 2025 | 04:57 PM
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From: Fort Worth, Texas
Default re: Trunk electric lock question

Originally Posted by amx1397
sorry i do not know much about the convertible top, but the lock system needs Vav /pressure
to work and there is a storage tank , that makes the lock work when engine is off.
does the fob still work the door locks if yes then maybe recheck the lock/unlock hose.
No, Jim. He is talking about the ELECTRIC lock on the ROadsters. Roadsters have TWO locks on the trunk, the pneumatic lock operated by the pump (which the FOB signal can command) and the electric lock operated by the Power Top Control Module (which is under control of the top module ONLY).
 

Last edited by pizzaguy; Mar 18, 2025 at 05:08 PM.
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Old Mar 18, 2025 | 05:04 PM
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From: Fort Worth, Texas
Default re: Trunk electric lock question

Originally Posted by Bob54
A mouse got in my trunk and chewed the pneumatic line, which I fixed, but my electric trunk lock is not getting any signal, does anyone know how to trace this electric line down,
I am having trouble reading the schematic, and the top won't go down, I guess, because it thinks the trunk is not locked?? ( 2006 Roadster convertible)
Originally Posted by Bob54
Thanks, yes everything is fine except the electric lock not getting any juice, which I switched out with a new one, still not working on the car, works off car the when I test it.
So the mouse chewed more than the pneumatic line, I guess.
You are having issues with the diagrams, probably, because the names of switches and modules is stupid. (See red text below.)

The Electric Lock on the trunk is operated by the Power Top Control Module (PTCM). There are four wires going from the PTCM to the lock: Motor positive and negative as well as the locked line and the unlocked line. The PTCM MUST see the status change and be a valid "Lock" in order to move the top.

Look in the wiring chapter of the service manual under "Power Top" for the "Trunk Latch Assembly", that is not really the latch that is the electric lock. The ACTUAL latch sensor is separate from this, it reports a fully closed trunk to the CLP/SSM and the CLP/SSM tells the PTCM that the trunk is fully closed, once that happens, the PTCM commands the electric lock to lock, once the lock indication comes back from the electric lock, the top cycle can start.

I started a BIG project and posted all about the Top Sensors in this thread:
https://www.crossfireforum.org/forum...p-sensors.html
The intent was to empower people to understand and fix their own top issues. Problem is, everyone expects a quick fix these days and refuses to put forth the effort to learn, so it has proven to be a waste of time where most are concerned. Maybe you will actually read thru it and use it.

 

Last edited by pizzaguy; Mar 18, 2025 at 05:11 PM.
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Old Mar 18, 2025 | 08:43 PM
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Bob54's Avatar
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From: Pennsylvania
Default Re: Trunk electric lock question?

Yes, it works fine. Thanks
 
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Old Mar 18, 2025 | 08:48 PM
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Bob54's Avatar
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From: Pennsylvania
Default Re: Trunk electric lock question

Checked the fuses and, the fob is working,
 
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Old Mar 18, 2025 | 08:50 PM
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Bob54's Avatar
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Default Re: Trunk electric lock question

Thank you, I will check into that.
 
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Old Mar 19, 2025 | 11:47 AM
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Bob54's Avatar
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From: Pennsylvania
Default Re: Trunk electric lock question

Thanks for all the info.
 
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