volvo 850 t5r restoration part 11 fuel pump relay replacement

Here I show you how to replace the fuel pump relay which usually goes bad

[@morganstuartmcrae]

I completely trashed my 850R -- it was running, but I thought it would be a good idea to test the spare (used) fuel relay I had in the glovebox. I pulled out the one that was working, and tried to push in the spare to test it, and that white plastic block that holds all the relays and fuses broke from the slight pressure I used to insert the relay. All I had to do was plug the relay into that green socket, which was fine, but everytime I tried to support the socket one way or another to insert the relay, the main white block broke more. It was like it was made charcoal -- it just crumbled right in front of me.
I pulled one from a yard, and really carefully tried to swap all the hundreds of wires from the crumbly one to the one from the yard, and after it was all together the car wouldn't start. I figure I messed up one or more of those many connections. Then I pulled an entire wiring harness without unplugging anything from the fusebox, but I haven't finished the install yet.
A thirty second swap of the relays led to being shut down for months.

[@dazbooker]

@@morganstuartmcrae oh wow what a dilemma
Hope you managed to get the correct loom for the car