Jaguar xjs 2+2 1994 4.0 engine Does anyone have a photo or wiring diagram for the relay connector base that is for the ems main relay? It is red relay connector base, under the passenger side (right) dash. The 94 xjs wiring diagrams show that there is a resistor there, but it is a diode pack DBC 5471. The diode pack has 3 wires. I think the problem lies in which wire to run to pin 85 which is ground and to pin 87a, and from pin 85 to ground. I am getting power to the battery power pin 30 and the relay clicks and I get power then to pin 87 when the ignition is turned on, I also get power to pin 86 which is ignition power. I am stumped cause I still get a crank but no start. Also fuel pump relay and pump are engaging . Any suggestions are greatly appreciated.
John

 

You have no codes?

Have you tried replacing the crank position sensor?

 

Yes cps is good