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Page 17 of 21©2002 Edelbrock Corporation
Rev. 10/02
Brochure No. 63-0144
Catalog #70406
3.7 Microswitch Installation and Wiring (Continued)
The bolts used to attach the microswitch have extra length to allow for spacing the microswitch away from the bracket if
necessary. After determining the position of the microswitch, we recommend trimming the bolts for a clean installation.
Due to the wide variety of throttle linkage combinations in use, it is impossible to supply a microswitch bracket custom-tailored
to each application. The universal bracket-supplied will need to be modified to fit your specific application.
Here is the microswitch assembly mounted on our Mercury
Marauder. We utilized an existing hole on the intake
manifold located by the throttle body. It is an example of
one of many ways in which to mount a microswitch on
your manifold. The microswitch bracket allows for many
different mounting positions. The microswitch bracket can
be modified to clear almost any potential interference
around the throttle linkage.
Please look for potential microswitch mounting locations and adapt your microswitch bracket according to the needs of your particular
application.
The microswitch bracket is drilled to allow many different switch mounting positions. This flexibility allows the microswitch to be
positioned in such a manner that it will engage the throttle linkage without interfering with its normal and safe operation. The bracket
may be manipulated (bent, twisted, and/or cut) to best suit your combination. Mount the microswitch so the actuation arm is triggered
by throttle linkage making sure all wiring and the bracket do not interfere with the smooth and safe operation of the throttle linkage.
Adjust microswitch to ensure the actuation arm "clicks" at the same point your throttle linkage reaches wide open throttle against the
throttle stop. At no time should the microswitch be enabled before wide open throttle.
3.8 Final Electrical installation Recommendations
At this time, it is advised that you double-check the following areas:
1. Double-check all wires so that they do not come in contact with any heat sources such as exhaust manifolds, or EGR crossovers.
2. Double-check the wires that lead from the microswitch to ensure they do not interfere with the operation of the throttle linkage.
3. Make sure the relay and the fuse are serviceable and mounted securely.
You are ready to hook up your battery and prepare your vehicle to run.