Technical > Wiring & Sensors

what cable to use

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ex-ctr:
what amp cable should i use for the bosch coilpack

rob@vems.co.uk:
The Bosch datasheet states that @14V you will draw
5A@2.3ms 6A@2.8ms 8A@3.9ms (ms dwell times)

With the Toyotas I use a dwell time of 2.5ms.  A highly boosted engine may well need a bigger spark, so I'd probably use a 15A rated wire to feed the coil pack's positive supply (pins 3&4) and 7.5A rated wire to for the coil '-' pins.
I think that would give you enough head room for a good spark.
Its not a constant current draw until very high RPM so you have quite good head room.

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