Re: Sachs 505 wiring question

John Konstantine /
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1. Black box is high voltage ignition coil (Bosch)

2. Yes, if ignition coil is not connected, you get no spark & engine does not start.

Bosch high voltage ignition coil needs both spade terminals connected to it.

- One spade terminal goes to magneto points/condenser (Sachs blue wire usually)

- 2nd spade terminal goes to ground which can be frame of moped or outside engine (Sachs brown wire usually)

3. If that hanging Blue wire is from stator magneto points/condenser, then that should connect to spade terminal on Bosch ignition coil.

Sachs-Suburban-Prima-Prima-G3-Wiring-Diagram.jpg
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