My 16 year old son recently purchased a 87 240 DL. It has been quite the fun project for us to work on together. I am a backyard hack at best but seem to get most things worked out over time. 2 issues currently at hand: 1) At cold start, the dash lights all come on and there is no power steering ...

Just had this happen myself. The ECC was bad. Replaced with used but these things are finicky, they must be paired with the vehicle and you are not able to do this with the used part. Dealer charged $241 to install new one including software install. I bought from volvowholesaleparts.com for 723.10 ...