Tuesday, April 15, 2008

Interesting NSS problem

Yesterday I had an interesting problem with my XJ. I had met JeepGirl and Jennifer to work on our Marketing business.

When I got ready to leave, I hit the key and nothing. Guessing it was the NSS, I wiggled the shifter around and tried both neutral and park. No go on the starter. I opened the hood and checked the other basics like battery cables and the wires to the starter. All good just no power to the starter.

JeepGirl took me home to get the Suburban and trailer. Jenny, towed me out in to the street and I let my XJ roll down the hill onto the trailer. Gravity works with you some days.

I finally got my XJ home and pushed it through the garage doors to put it on the lift. Note that I tried at every opportunity to start the engine but never a hint at triggering the starter relay.

I took a break to change clothes and eat supper.

When I got back to the shop I got pout the test instruments to see where in the circuit I was loosing the signal. When I clicked the switch to begin the test the engine started right up!

I was happy the problem was fixed but annoyed that I did not find the cause since it is likely to reappear. I tried several more test starts and it works fine in both park and neutral.

When I get more time I will clean the switch anyway. See my earlier post about how to clean the NSS.



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