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Originally Posted by racer_d
Thanks Jim. I knew there had to be a connection but couldn't find what I was hoping for in the manual to explain it better. I assume that this "piggyback" feature is what get's over-ridden, essentially, in the "smart-top" conversion that then allows one to move the top, even at a slow speed.
I assume that if I pull cup the center console I might get a better idea? Or is this part hidden somewhere else?? thanks
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Hi,
Yes, the relay uses the Parking Indicator Light Circuit to energize the relay to switch the high current circuit to the Top Motor.
The Smart Top module eliminates this function. I'm not a big fan of Smart Top because at any speed, you do stress the Top mechanism more than if the car were stationary. But, you could restrict it's use to only when the car isn't moving.
Remove the Center Console, and you'll see the switch. As I said, sometimes it's just corrosion on the connector or dirt and dust. On a 6 yo car, I'd probably just replace it.
The other weak spot in the system is the Latch Switch on the windshield header. This switch must also be closed (by having the Latch detached) in order to complete the circuit, and this switch is also notorious for sticking. A pencil, popcicle stick or other soft piece inserted will often work this loose if it's sticking.
Finally, there is a microswitch located in the passenger side 'B' Pillar which stops the mechanism once the Top is fully retracted. This switch can also stick and prevent proper operation although this switch seems to be a better placement/design, and it hardly ever fails...
Happy Motoring!... Jim'99