F/r switch

[JohnnieB]

Originally Posted by busman9

Thanks,I have wired MS2 & MS4 and now NO SPARKS. There is no MS3 and no signs that there has been one? The cart moves without the acc which would be controled by MS3? How did this thing work before without any MS?

Spark problem cured.

Attached is a drawing of a Resistor cart Accelerator switch with MS-3 circled in Red.
The solenoid isn't mounted the same as yours, but it shows where MS-3 ought to have been located and how it is actuated by the same lever that moves the moveable contact (wiper) from position 0 through position 4.

In position 0, there is no cable attached, so there is no current flow to motor, and the cart shouldn't move.
Sometimes, the wiper arm gets out of adjustment or some arcing occurs, misshaping the contacts, and the wiper makes electrical contact with Position 1 when it should be in Position 0.
The purpose of MS-3 is to deactivated the solenoid when the accelerator pedal isn't being depressed (wiper in Position 0), which eliminates cart movement without pedal being pushed.

[scottyb]

Here is the older ezgo that I was trying to explain & Jb has posted a drawing of ... so you remove the reverse micro from the Hunting buggie's F&R and put it here. Use it to activate the solenoid