OVP has nothing to with the ingition system on that model. It's failure (or removal!) will cause illumination of ABS light and may cause rough idling, stalling and poor starting. However it does not usually prevent starting.

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Mick J
'08 Chrysler 300CRD (MB OM 642 engine)
'95 E220 estate
'89 230TE (R.I.P.)