My 99 pontiac grand am is puting after I did my spark plug wires what might the problem be

SOURCE: GM 3.8 liter supercharge v6 firing order 2000

For the 2000 Pontiac Grand Prix:
I do not know if you have the 3.1L V6 or the 3.8L (including Super Charger) V6; however I have included both below...

For the 3.1L V6:
Firing Order:
1-2-3-4-5-6
Cylinders:
......(back).......
'...1....3....5...'
____________
'...2....4....6...'
.......(front)
Ignition Coil Connections:
.'.5..2.'..'.3..6.'..'.4..1.'


For the 3.8L V6 including the Super Charger:
Firing Order:
1-6-5-4-3-2
Cylinders:
.....(back).......
'...2....4....6...'
____________
'...1....3....5...'
......(front)
Ignition Coil Connections:
(back)
o 6
o ---3
___
o 2
o ---5
___
o 4
o ---1
(front)

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