qldit

Good Afternoon dgoad, is there anything in the info you have relating to "limp" mode for that computer?

Also does it contain a config chip that you may need to swap across to the replacement item?

I had to laugh when you mentioned you had a CRO out on that engine, the last time I used a CRO in the field, I was developing a voltage regulator system for a jet engine generator, and it operated perfectly on the bench but not when mounted on the running engine.
I was using an optical sensing system and eventually realised the thing was susceptible to external infra-red, so that job ended up being a real headache.
Alternators appeared shortly after that so the whole exercise was really never applied apart from that prototype!

I can imagine you with leads everywhere doing that, at a guess I suspect you have an electronic background, sounds almost like TV stuff! LOL!!

Funny thing, I was involved in the industry when transistors first began being used, and naturally they were rapidly appearing in car radios, then a local vehicle manufacturer made one range of motor vehicles that really killed these early radios, the only difference was that in this particular vehicle model the radio was mounted above the glove-box directly under the dash top, which naturally was metal and painted flat grey/black.

We placed temp sensitive strips on one of these radios and left it the vehicle parked in the sun on a mid-summers day, naturally the radio died as was expected.
When the temp strips were inspected they had all discoloured, including the 130 deg C strip, so that was quite telling!!!

Circumstantially although transistor engineering has evolved substantially I am surprised to hear you mention the location of that computer.

Cheers, qldit.

Cheers, qldit.