OMEX 200 Series - Page 13

OMEM200 Installation Manual 2v10
13
The coil should be non-amplified. You can test this by measuring with a multimeter (resistance setting).
Between the 12V terminal and one of the signal terminals (also known as coil negative) a non-amplified
coilwillmeasureapproximately1Ω.AnamplifiedcoilpackwillmeasureseveralkΩ.Amplifiedcoilpacks
can be used if necessary, but are not ideal and the ECU hardware must be modified by Omex to allow
this.
Known wiring
Coil-per-plug
Coil-per-plug ignition coils can be controlled but only with wasted-spark ignition and will require
amplification and the ECU hardware modified.
Ford Type A (early oval connector) 1
2
3
ECU IGN1
+12V supply
ECU IGN2
Violet
Yellow
Ford Type B (later rectangular connector) 1
2
3
ECU IGN2
+12V supply
ECU IGN1
Yellow
Violet
Sagem / Valio (3pin connector) 1
2
3
ECU IGN1
ECU IGN2
+12V supply
Violet
Yellow
Sagem / Valio (4pin connector) 1
2
3
4
ECU IGN1
ECU IGN2
+12V supply
Not used
Violet
Yellow