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Bosch motorsport ignition

Bosch motorsport ignition modules
Powerful and durable 2x2 and 3x2 proven wasted spark ignition.transformers. Connector (with receptacles and rubber boot) is included: 3 pin AMP connector for the the 2x2 model, and 4 pin AMP connector for the 3x2 model.
Must be driven by ECU power outputs ("IGBT-s"), NOT logiclevel outputs.
Bosch 0 221 503 407 datasheet
Bosch 0 221 503 002 datasheet
Choose 2 (2x2 that is 4 cylinders) or 3 (3x2 that is max 6 cyl).

Pinout of the 2x2 (3 pin connector):
  • pin1 : input
  • pin2 : +12V supply
  • pin3 : input

Pinout of the 3x2 (4 pin connector): Note: we do NOT have matching 4pin female connector housing (you might find in junkyard).
  • pin1 : input
  • pin2 : input
  • pin3 : input
  • pin4 : +12V supply

The connector is numbered. The order of inputs is the same as the order of output pairs (mechanically). IMPORTANT: Unused high-voltage outputs MUST BE grounded. Eg when only 5 high-voltage spark outputs are used, than 6th MUST BE grounded. (eg. audi 5cyl with 12453 firing order: cyl2,5 paired; cyl3,4 paired and cyl1 has no pair-cylinder, but the unused HV output grounded).
You can verify the pinout easily by DVM (200 Ohm measurement range). The resistance between an input pin and the supply pin is lower (measures 0.5 .. 1.3 Ohm) than the resistance between two input pins ( 1 .. 1.9 Ohm). Theoretically resistance is twice as high, but the resistance of the DVM cables (about 0.3 .. 0.7 Ohm) is in the circuit during measurement.

Available Options:
ignition driver:
For more information, please visit this products webpage.
This product was added to our catalog on Tuesday 24 October, 2006.
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