Does the NSS Switch also tell the on board computer what gear to be in and when to shift on a 1989 Probe?

Asked by Jan 29, 2016 at 10:26 AM about the 1989 Ford Probe GL

Question type: Maintenance & Repair

I need a 1989 Ford Probe Specialists to answer this question.  I replaced a
faulty neutral safety switch on a 1968 Ford Probe (1st Generation) but the
old switch had 2 plastic connectors, one with 3 HD wires (12 Gauge)
attached to it and the other had 4 wires (14 Gauge?).  The only
replacement NSS available (for Probe and Mazda 6) are ones with 3 HD
wires with matching color codes but the other larger connector has 6 wires
(rather than 4).  In order to make the new NSS work I pulled the old wires
out of the original connector and the new wires out of the new connector
and matched up the color codes and position in the connector.  I left the
other 2 wires (solid yellow and red on yellow) in the original connector cover
and taped them shut to keep out corrosion.  When I put the new NSS in the
Probe and aligned the fine adjustment the car started immediately which
was great however the car appears to be taking off in 2nd gear (automatic
transmission) rather than first which poses a safety issue in getting into
traffic and may cause harm to the transmission.  I believe I need to find
another (perhaps from a junk yard) in order to make it work correctly.  My
question is – on a 1989 Probe does the NSS do more than just preventing
the car from starting in gear or does it also tell the on board computer what
gear to be in and when to shift?

1 Answer

Correction to above information, it is a 1989 not 1968 as I indicated in my above question. I guess I am really getting older and confused.

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