View Full Version : 240 owners I need help! (90s Chevy powered MCs too)

Matt L.
06-23-2009, 10:36 AM
I'm in desperate need of detailed pics of starter, solenoid, relay, cricuit breaker box, coil, and neutral safety switch wiring. Please get close shots and ones that show where the wires run.

Took mine apart to rewire from the batts to the dist., got deployed overseas, hard drive crashed, now I don't have the pics.

I'm operating from memory and that's not good with a 1000amp battery in the loop!

Lake Mead Houseboat trip is on the line!

Thanks in advance, this board always seems to come through!


Matt L.
06-23-2009, 09:36 PM
TTT Still looking for some 240 owners to notice.

06-24-2009, 12:36 AM
I've got a 210 (90) that has the 351. Let me know if that might help.

Matt L.
06-24-2009, 08:52 AM
PM Sent.

Thanks for the reply and keeping the thread alive.


Matt L.
06-25-2009, 01:30 AM
Come on 240 owners show me some love!

06-25-2009, 03:27 PM
Here is what I snapped some pics of. I hope this is what you meant. If not, reply and I'LL GET WHAT YOU NEED!


06-25-2009, 07:09 PM
I can take pics tomorrow and email them 90 240SC 454

Matt L.
06-25-2009, 11:19 PM
rholmes & JoJo,

that's what I'm needing! relay to starter is also needed. Just a shot of the back of the starter solenoid would be great too. just trying to confirm the wiring from the neutral safety switch up and relay, solenoid, coil, breaker block.

Keep them coming! Especially you JoJo! Apples to Apples is always best.



maristar 240 dave
06-27-2009, 03:06 AM
I dont know if I have the same motor as you but here is what I got. 92 454. Maybe this will help.






Matt L.
06-27-2009, 10:01 AM

I figured they would be the same! They are very different. I have an extra relay in there.

thanks anyway for taking the time to take and post the pics. I'm putting power to it this morning. If it runs it is off to a local boat shop, $50 later they will let me back it into the dunk tank and run it on the trailer to see how it runs with a load on it.



06-28-2009, 10:32 PM
Matt, why don't you post what you have and trace out wires. If you have it apart and don't know what goes where, there are some basic wiring posts on the site that should give you a general idea. (battery posts DISconnected for now) + Bat to starter relay, - Bat to starter bolt or block ground. Switched bat from starter relay to starter positive post. If you are looking on the other side (smaller wiring, some of it will trace to neutral safety switch, safety switch, key switch, and I believe that is it that engages the starter. The switched side will supply to the coil/distributor etc.

06-28-2009, 10:39 PM
Another copy from TMCNo.1 - check this out, nice diagram. Hopefully it helps!