1999 volvo c70 convertible, tach signal

any info on were to grab tach signal for remote start. tried injectors no ac voltage present also checked at coils there are three wires on coil, one RED / one black /and one which is different on each one and smaller in gauge. There was no ac voltage at coils either .the only wire I did not check is on the cam position sensor which has 2 wires.I talked to volvo and they stated that the vehicle will never start consistently due to the ecmu reseting itself each and every time it starts. I tried setting a long start time but still does not always start. I checked with several tech departments none could help. so I am asking has any one hooked up a remote start on this particular car and if so ,were did they get the tach signal or ac voltage at.This is a five cyld gas auto 1999 volvo c70 convert.and no there is not a blue wire on any of the coils or even in that area. the only ac voltage I got was .437mv and increased to .888 mv @ 3000 rpm's it should have been around 3 volts @ those kind of rpm's.

 VOLVO

C70	1999 -2004

TACH

ANY wire NOT RED, BLACK or YELLOW

@ ANY IGNITION COIL