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Connection and mechanical issues
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Knowledgebase Connection and mechanical issues

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What if the module does not work even though all connections seem correct? The LED stays dark. Or bad contact

A common and often recurring problem. If multi meters or other equipment is used to verify the power and ground connections to the module, the little square contacts in the Molex plug might have been ...

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All Plug-and-Play Modules: Connection Issues I (or top won't work after removal). Damage to Top Controller

The most common source of problems is a result of improper installation. While it is technically impossible for the smartTOP to cause any damage to any of the factory control units in the car, it is p...

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All Plug-and-Play modules: Connection Issues II. Damage to the module harness

Most common issue when installing plug and play wiring adapters are bent-over contact pins as shown in this photo:    

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After originally working fine, the top suddenly won't work after the module was removed and re-installed

Problem: The module used to work fine and had to be removed, for example for a visit at the dealer and was later re-installed. Now the top only opens or only closes or other unexpected behavior is obs...

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Where to obtain the TYCO connector caps and crimp pins in case of damage

In case any of the following parts was lost or damaged during installation or removal, they can be obtained from any local Mercedes or BMW dealership.   BMW/MB Parts

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Video: Removing the TYCO crimp contacts without damage

The following support videos demonstrate how to remove the MALE or FEMALE crimp contacts from the black TYCO connector caps without damaging the plastic cap or the contacts.   Removal of the FEMALE cr...

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Laptop or PC only has USB type C ports. How can the module be connected?

In cases where the PC or Mac only comes with USB Type C ports, a C to A adapter is required. Amazon usually offers a variety of these adapters such as this one:  https://a.co/d/hGln38Q  

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