View Full Version : Msd Rpm Switch Install ?'s
09-12-2003, 09:25 AM
I am trying to install an MSD RPM Switch PN# 8950 in my 02 WRX. One of the wires (Yellow) calls for it to be wired to Coil (-) Negative.
I'm not too good with electronics and wiring, so I drew a blank here. Where does this wire connect to exactly?
Any help is appreciated :)
09-12-2003, 02:23 PM
The PN 8950 will not work for your application; this is only for a vehicle with a distributor. The unit that you will need is the PN 89561 Dis RPM Window Switch, which can also be used only to turn on a component at a certain RPM. It could also turn a component on at a certain RPM and off at a different RPM. This unit is for distributorless ignitions and has both for individual coil and for dual output coil and for 5 volt square wave ECU signal. The 8950 would have to be sent in to do one of these modifications and the there is also a charge of $35.00 for the modifications.
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