Can anyone identify these wires?

[dan moreland]

Putting in a motor that i didn't pull and ran across these and have no idea what they are. Any help is appreciated.

 

[ytradio]

What year YJ? And what is the original engine?

 

[dan moreland]

sorry thats probably useful. its a 1990 with a 4.2 but has a 4.0 head. as far as i know the block is the original.