Top problem

[M Richard Weiss]

For some time I've had intermittent problems with the top not working. It will work and suddenly go completely dead. It's gotten stuck in both the open and closed position. No sound at all when pressing the dashboard button. The emergency brake light works. The windows drop when I unlatch the top. I've swapped relays and tried one with the brake override, but when it's dead nothing works. I plan on measuring the filter pin voltages when someone can let me know what voltages apply to the PIN numbers. Any other suggestions would be useful. I think the emergency brake microswitch is eliminated because the dash light works. The two switches at the overhead latch would appear to be ok since the windows drop and it gets stuck in both the open and closed positions. I've run out of ideas.

[M Richard Weiss]

update: after sitting for 2 days in my driveway with a dead top, this morning it suddenly started working.  I have no.ideas of what could be wrong. 

[M Richard Weiss]

update: 2 hours later- dead again

 just sitting in driveway 

[M Richard Weiss]

I believe the issue is with the latch microswitch. This workaround solved the problem. I modified a spare control relay to bypass the latch and brake microswitch. With these modifications the top motor is directly controlled with the dashboard button. With this mod the windows don't automatically drop when the latch is open so I have to lower them. Pin 15, brake, is grounded with a jumper wire internally and by bending pin 14, top latch, onto it the latch microswitch is bypassed. Bending pin 11 stops the control signal to the power windows and pin 18 to the speedo.