1974 70 hp evinrude model # 70473m

fshrmngrn

Cadet
Joined
Aug 8, 2011
Messages
12
I have done everything that has been suggested and I still can't get my engine to start! Only thing it does when you turn the key is click at the solenoid! I have taken heed to all replies from my first two posts and I am still at groun zero, does this mean its time to see a boat mechanic? I cleaned all the connections, changed the battery cables, bought a new starter and battery, also put two solenoids on it and nothing.
.
 

Joe Reeves

Supreme Mariner
Joined
Feb 24, 2002
Messages
13,262
Re: 1974 70 hp evinrude model # 70473m

Start with the basics and don't take any short cuts just because you might have done the procedure before.

Good heavy duty jumper cables from the battery... negative cable attaches to a good powerhead ground area... positive cable touches electric starter terminal stud. If starter cranks engine over, then obviously the starter is okay.

Now... Leave the negative jumper cable attached to the powerhead ground area. Remove the positive jumper cable. Find the battery positive cable where it is attached to the starter solenoid, attach a jumper cable to that terminal and then touch the starter terminal stud with the other end of that cable. If the starter again cranks the engine, this positive cable attachment is good. If the starter does not crank the engine.... then there is a problem between this solenoid positive cable teminal and the battery.

Assuming the engine cranked over okay in the above test... remove the negative jumper cable from the battery and the powerhead ground area. Now, once again "Find the battery positive cable where it is attached to the starter solenoid, attach a jumper cable to that terminal and then touch the starter terminal stud with the other end of that cable." If the engine cranks over normally, the negative cable between the battery and the powerhead ground is okay. If the engine does not crank over normally, something is wrong with the cable connection between the battery and the powerhead ground.

Assuming that so far, everything above checks out okay, the engine cranks over with all the above tests. Use a heavy duty jumper cable, momentarily connected between the two large solenoid terminals. The engine should crank over normally... if it does not suspect that the cable and/or connections between the solenoid and the starter are faulty.

When all cables, connections, etc are as they should be, running a "small" jumper wire from the positive cable connection at the starter solenoid to the small engagement 3/8" nut terminal of the solenoid (not the 3/8" ground nut) will cause the solenoid to engage and energize the electric starter. Does it?

Let me know in detail what you find.
 
Top