saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Ignition Shut Down Relay (For Antitheft) > < Ignition System - Ignition Module Selection
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Table, colour configuration:

Red and blue ignition discharge modules are identical. Black and green ignition discharge modules are identical.

The differences between red/blue (T5) and black/green (T7) are in:

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Ignition coils (different inductance and voltage type)

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Trigger signals (different sensitivity to external interference)

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Knock signal (different degrees of signal amplification)

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Charge and discharge circuits (different technical concepts)

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Ignition Shut Down Relay (For Antitheft) > < Ignition System - Ignition Module Selection