I was told by a volvo tech that a bad cooling fan relay can cause no spark - don't know if that's true but I replaced it and it still didn't work. I think I have a bad wire somewhere...

As far as I can tell there are no relays for the ignition system...Is that right?

Is there a component of the anti-theft system that could immobilize ignition?

Everything I replaced was new except for the ECU which I was promised was good by a reputable Volvo shop.

How are you checking for spark? I have been disconnecting the coil wire at the distributor cap and putting it near a ground source and turning it over. I have also been checking by disconnecting a spark plug wire from one of the installed plugs and connecting it to an old plug (one of the old ones ...

95 850 Wagon - 2.3 Turbo - Automatic Cranks (turns over) but no spark (fire) I have replaced: Cam position sensor Crank position sensor (RPM sensor @ flywheel) Coil with ignition control module Spark plugs - plug wires - cap - rotor ECU I checked for codes using the LED thing behind the passenger he...