So in case anyone follows all this ; Page 7 of https://www.nuceng.ca/bill/volvo/Volvo740wiring.pdf LH-Jetronic , B230F Page 8 Call-out 9 is the starter motor Wire at starter is BL-GN To “P” - connector, electrical distribution unit” It depicts a jumper, or similar To “B” - “Connector , left A post “...

I found a Volvo 740 schematic here that’s for a year or so newer https://www.nuceng.ca/bill/volvo/Volvo740wiring.pdf If I’m seeing it right it show that the green with black stripe goes through the DS pillar plug, then the PS pillar plug and there is a test point plug, then enters the ECU So I was t...

Thanks for that, I can probably condense the post and repost there If no one is really able to help here It started and ran a few days ago and I’d been replacing heater fan , radio , I took the cowling off , lubed the wipers and tried to figure out why it’s getting wet on passenger side. I found the...

I replaced the key switch by removing speedo and plugged in a known hood switch and if I turn it to crank . still no cranking happening I noticed that there is a relay clicking too it’s at the drivers side, left front row ( or drivers side corner and toward rear of car) Hind says it’s “J” window win...

Thought I’d add this : When I turn key to “crank” it’s disabling some things like the interior light maybe headlights So since the position does that it seemed like the switch must be working - tgat confused me I’m thinking maybe Volvo wanted to turn some stuff off like maybe headlights during crank...

My 740 wont crank over The green wire to starter is not hot with key turned The starter runs if I run a jumper from battery to starter - green wire I cleaned the switch on the ( auto) shifter , it’s making contact ok Schematic shows a start inhibitor switch , is that the same switch? It might be ref...