i just purchased a 99 grand prix. i got it from some people that butchered the elec system. they had the fog lights wired directly into the low beams.
heres where i am at. at the relay i am getting + 12v with the switch on and thru the other side of the relay i am getting 3V out of the other side of the relay.. the relay is a omiron 8567 and has 4 plugs 86 to 85 30 to 87 with the 8675 down 86 gets 12v and puts out 3 on the opther 30 and 87 get no juice. but fuses are good