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Wiring harness connections – Mallory Ignition ACCEL Engine Analyzer Series Wideband Oxygen Sensor 77062_77062n_77062s_77063 User Manual

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Wiring Harness Connections

¾ Connect the 8 pin connector in the main harness to the female end of each

O2 sensor harness.

¾ If you purchased kit number 77062S, your kit includes a 2 1/16” digital

air/fuel ratio gauge. Locate the 2-pin gray connector in the gauge harness,

and connect it to the supplied connector and wiring for the main harness. If
your kit did not include this gauge, it is available separately through your

Accel DFI dealer. The part number for this kit is 77063S.

¾ If you are connecting the control module to an Accel DFI Generation 7+

system, the 4 pin square male connector in the main harness will have a

corresponding female connector in the Generation 7 system harness labeled
as “HEGO”. These connectors should be joined as per diagram A.

¾ If you are using the system as a standalone air/fuel ratio meter, refer to

diagram B.

¾ If you are using the system with another manufacturer’s engine management

system, refer to diagram C.

¾ If you have a dual exhaust system and are using the 77063 dual wideband

controller, please refer to diagram A1.