Craig -

I can't speak as an authority but I wired my pump backwards once as well -
it did not hurt the pump. As a matter of fact that pump is still running
strong. YMMV

On 8/4/07, craig cowan <phishman068@gmail.com> wrote:
>
> Ok. SO i'm checking out the fuel pump, as it seems to account for the car
> not starting. I had a mechanic help me check the relays by jumping them
> and
> he says they seem to be working right and that it just seemed to be a bad
> pump. SO, i put in my spare pump (i think its brand new). Well it seems i
> wired it backwards because no one ever taught me that on European cars,
> BLACK does NOT mean NEGATIVE and they tell me the ground wire should be on
> negative and the black wire on positive. So, i switched it, and the car
> still doesnt start. Maybe i damaged the pump? Can these get destroyed by
> running backwards? If so, i just killed two fuel pumps.
>
> I rigged up a voltmeter to the fuel pump that could be watched from the
> drivers seat while turning the key. With the key in the first position
> (auxillary) i get only 0.3 Volts to the fuel pump and it does NOT kick
> over.
> When i'm turning the engine over, it gets 9.5 Volts. It seems that this is
> drastically wrong. Any input would be greatly appreciated.
>
> -Craig
> '85GL
>

--
Thanks,

Jeff
90' Carat (Grover)
86' (We call this one Parts)
85' GL (Preparing for reanimation)