Evinrude 48SP - DEAD

[bboykin46]

I have a 1992 48SP that has given years of great service with zero trouble. Yesterday I was lowering the electric tilt and heard a "pop", now she's dead. Tilt appears to get now power and turning the ignition is just as dead. In the wiring diagram there appears to be a cranking relay first in-line following the positive terminal on the battery. Does this control ALL power? Is this my test point? If so, how can I test it? My manual does not cover testing that component. Is there another component that would kill the power to everything?

 

[tashasdaddy]

Re: Evinrude 48SP - DEAD

there is a small red inline fuse holder with a 20 amp fuse in it. near starter solenoid., 99% it blew the fuse. this is the power to the control box and ignition switch to activate the starter solenoid, and choke.

 

[bboykin46]

Re: Evinrude 48SP - DEAD

Thanks I will check it out!

 

[bboykin46]

Re: Evinrude 48SP - DEAD

I checked/tested the 20amp fuse and it's good. How can I test the power pack and/or the starter circuit relay?

 

[tashasdaddy]

Re: Evinrude 48SP - DEAD

unplug the big red plug connector. mount the muffs on water intake, connect hose. now with a remote starter switch, auto parts store, connect 1 wire of the switch to the top battery post on the solenoid, the other wire to the top small post, turn water on, squeeze switch, motor should turn over. CAUTION: there are only three ways to stop the motor, disconnect fuel line, choke the motor, or remove all plug wires. DO NOT rev the motor higher than 1500 rpms. it can cause a run away motor that cannot be stopped, other than disconnecting fuel source, but in the mean time, may throw a rod, etc.

 

[bboykin46]

Re: Evinrude 48SP - DEAD

Thanks, this easy enough to do, already have a remote starter button. But I'm unsure what this tells me...doesn't this by pass both the relay and power pack? If not, which is bad if the motor starts?

 

[tashasdaddy]

Re: Evinrude 48SP - DEAD

this by passes the ignition switch, wiring harness and items in the control box. this elimantes one possible problem. check spark with remote switch. this does not bypass the power pack.

also:
90% of starter problems are bad connections. remove and clean both ends of the battery cables, so that they are shiney, also the cable from the solenoid to starter. check for nicks in the cables. and make sure the connectors are on the wire good. the cable tend to corrode from the inside out, if nicked, corroded wires, and connections, heat up and cause resistance to the follow of electricity, thus the starter doesn't get enough. you can also take jumper cable pos battery post to large post on starter. with a good connection, the engine should spin. then if the starter is good clean everything and retest. then trouble shoot solenoid. starters can be rebuit at a starter/alternator shop, much cheaper than a new one.

also have the battery load tested at the auto parts store, free, i've had new batteries go bad

 

[bboykin46]

Re: Evinrude 48SP - DEAD

Thanks for all of the great information. Remembering that my electric tilt does nothing in addition to the ignition key doing nothing, does this suggest the power pack or the relay?

 

[tashasdaddy]

Re: Evinrude 48SP - DEAD

it suggest you have either blown fuse, or corroded connection. i don't what you think the power pack does, it has nothing to do with the trim n tilt, or the starter working. is what tell the spark plugs when to fire. and what relay are you talking about?

you seem to be fixated on power pack and some relay.

 

[bboykin46]

Re: Evinrude 48SP - DEAD

The relay is shown in the electrical schematic, labelled cranking motor relay and appears to be first in-line after the battery.

 

[tashasdaddy]

Re: Evinrude 48SP - DEAD

that is the starter solenoid. that you jump with the remote switch. if it works with remote switch it is good.

if i understand correctly the starter motor will not work with the key, and your trim n tilt does not work. if that is the case the fuse (small red holder right lower of my picture) is probably bad, or you have a problem in the wiring from the solenoid to the controller, or inside the controller.