>i've got an automotive project based on a 16f877 that works fine in 99% of
applications, but when i
>get it in a car with a magneto ignition, my PIC is freaking out .. resets /
locks / jumps to random
>locations in code.
>
>Anybody have tips on what I should be doing to 'harden' the PIC against
this kind of noise ? the only
>pins i haven't done anything with are RB6/RB7 which i need open for ICSP.
All other unused pins are
>grounded via 4.7k resistor.
>
>just general tips would  be great .. thanks !

We use PICs in automotive applications and there is no problems at all.
Check your power supply and your board layout.

Best regards
Tsvetan
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