Need help with KA swap!

[My3rdBaby]

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Hey I'm new to nissans and i recently picked up a stock 89 240. It would crank, but the valves sounded really bad and it didn't have alot of compression. A friend of mine just pulled his running ka out of his 90 for the sr20 swap, so i got his ka and put it in my car. But now it won't start. it turns over just fine, but it won't start. Is there anything that I might be missing?thanks

[180fan]

is your car an 89 or 90?

[My3rdBaby]

mine is a 89, the motor came out of a 90

[180fan]

you probably need to check over all the plugs on the harness. Did you 1. plug everything in? 2. did you also match the colors of the wires at the white plug after the ecu plug, the large grey and brown plugs that meet up to the front of the passenger side? and 3. check over the grounds

[My3rdBaby]

Hey, I just read what you said and it was a ground...Ive always had hondas, and the grounds on their heads won't affect the motor startingm but after looking over the KA, i saw that there were 2 ground wires, that tied into the harness for the fuel injectors...and that was it! Thanks for the help!