Mercury Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.
If you do not push in hard are you still able to turn the key but not able to get it to crank and start?
Do you get the same results from both keys?
With a yes response to both questions I was hoping to rule out the lock cylinder and leave just the ignition switch to blame but they are both still to blame with that response.
Below are the steps to replace the ignition switch and lock cylinder.
Back probe the ignition switch connector to test the wires/pins while still connected.
Test these when turning the key normal and when pushing in on the key to see if the results are different.
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Thanks for using Just Answer, Chris
Remove both the switch and cylinder to see if anything is worn not allowing the cylinder to turn the linkage far enough in start to fully close the switch in the switch while in the start position.
Since nothing worn is seen but you have seen electrically the different results you get. I would pick a part to replace and retest. Of the 2 I would go with the ignition switch first.
Hello again Chris here,