Dynojet 224/4WD: Installation Guide - Manual (Page 60)

In Ground Model 224 4WD Automotive Dynamometer Installation Guide
C H A P T E R 4
Connecting the RPM Pickup
4-6
C ONNECTING THE S ECONDARY I NDUCTIVE P ICKUP
The secondary inductive pickup cannot be in contact with, or it’s connecting wire be
crossing, other engine electrical wires or stray RF interference may result.
1
Clip the secondary inductive pickup around one spark plug wire.
2 Route the inductive pickup cable clear of devices that produce electronic noise
(spark plug wires, coil wire, coil etc.).
Note: Inductive pickup placement is important. Position the inductive pickup so
that it is not making contact with any other spark plug wires. Separate the spark
plug wire from the spark plug wire bundle for proper operation.
Note: You must ground the vehicle to the dyno for the electronics to function
properly.
Figure 4-3: Secondary Inductive Pickup
Figure 4-4: Separate Spark Plug Wire
connect secondary
inductive pickup on a
single spark plug wire
automobile
distributor