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Connecting the Display System to the Ignition System
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Ignition System Normally Fitted To Connection Point
Bosch Citroen AX 'Sport' and
'GT'
Tachometer output (coil negative)
with 100K series resistor
Bosch 3-pin CD Porsche 911 Carrera
'76
Pin 'C' (points connection)
Bosch 8-pin CD Porsche 930 Turbo '76 Pin 7 on ignition unit
General Motors
GME-071
Vauxhall
Opel
Tachometer output (coil negative)
with 10K series resistor
Lumenition
Performance (Black)
Accessory only Blue wire from distributor pick-up
Lumenition Optronic
MK17 (Silver)
Accessory only Brown wire on coil negative
Motorcraft Ford Coil negative with 47K series
resistor
Performance Coil
(Bosch Blue Coil)
Accessory only Coil negative with 47K series
resistor (use screened high
tension leads)
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