The fact that to replace the module is one drawback, and the other is that the 4 pin modules are prone to death from low voltage.
They solved the low voltage problem with the 8 pin module.
Currently Pertronics only sells a unit for points distributors, and nothing for the OE electronic distributor.
Exactly, the 4 and 8 pin modules both have two plastic locating pins on the bottom side that need to be knocked off so the module sits flat on the heatsink.
Been running an 8 pin module for 5-6 years without a single failure of any kind.
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