No spark!!! Please help

[crestflite165]

Hey guys new to this site. bought a 1973 glastron crestflite v-184 with the 165 hp gm 250 inline 6 stern drive for 200 bucks. boat only has 693 hours according to the gauge. my problem is i have no spark what so ever. here are the things i tried. new points,new condensor, new accel coil,plug wires and cap,new starter solnoid and new battery.set point gap to .19" . tried to start while moving shift lever but engine stalls out while in any gear except nuet. which is normal id think. what else could it be? im stumped !!!! is there away to just get the basic wires to the engine in order to fire? any help would be greatly appreciated!!!

 

[Bt Doctur]

Re: No spark!!! Please help

Is there voltage at the + side of the coil with the key "on"

 

[crestflite165]

Re: No spark!!! Please help

ya i got like 5.5 volts on the + side of coil. also have the 5.5 v on the wire going to the starter solenoid. i believe this would be the resisted wire ?

 

[Bt Doctur]

Re: No spark!!! Please help

Try removing the tach feed from the neg side of the coil (tan wire) .

 

[Bondo]

Re: No spark!!! Please help

Ayuh,... Is there Power at the points when they're Open,..??
The Coil should Fire when they Close...

 

[crestflite165]

Re: No spark!!! Please help

thanks guys ill try both those ideas and hopefully one of them will help me out some. thanks again

 

[Bt Doctur]

Re: No spark!!! Please help

Bondo, you need to reverse that .
coil charges with the points closed!

 

[siaboat]

Engin shuts down at high speed.

Engin shuts down at high speed.

Greetings,
I have a Mercruser 140 , 3 Liter,
It starts well , runs well but sometime whe I put it on hight throtle after about 5 min. drive it will shut off as if the coil is burnt. Very quickly goes dead.
then it will take an hour or so of fooling arround and it will start again.
Can anyone tell me what it could be. It dose not look like it is gas problem. It will crank over so It can not be battery, Can it be condenser, point, or Coil.
Is there a shut off switch somwhere?

Thanks a million for your help.

 

[crestflite165]

Re: No spark!!! Please help

ok i went out to the garage and looked. this is what i got on the coild maybe the wires are on the wrong side? i got the black wire from the dist. and 2 brown wires into one connector on the - side of coil and on the + side got a tan looking one with "resistance-do not"(cant read the rest)and maybe a brown? or another tan? are the wires on the right terminals?

 

[Bondo]

Re: Engin shuts down at high speed.

Re: Engin shuts down at high speed.

Greetings,
I have a Mercruser 140 , 3 Liter,
It starts well , runs well but sometime whe I put it on hight throtle after about 5 min. drive it will shut off as if the coil is burnt. Very quickly goes dead.
then it will take an hour or so of fooling arround and it will start again.
Can anyone tell me what it could be. It dose not look like it is gas problem. It will crank over so It can not be battery, Can it be condenser, point, or Coil.
Is there a shut off switch somwhere?

Thanks a million for your help.

Ayuh,... Welcome Aboard Siaboat...
You need to start a thread of your own, about Your problems...
This thread is about a Different boater, with a Different problem....

Ya BD,... I see that now...
The points should still see voltage when Open though...

 

[crestflite165]

Re: No spark!!! Please help

is there any wiring diagram that you guys know of for this engine/ boat? cant seem to fine one.

 

[Bondo]

Re: No spark!!! Please help

Ayuh,... Motor wiring diagrams are in the manuals, in the Adults Only section of this forum....
There are generic hull diagrams in the Electrical forum...

 

[crestflite165]

Re: No spark!!! Please help

thanks BD and bondo, got wiring diagram and everything looks right. the 2 brown wires to the - side of coil(one goes to tach and 1 goes to shift interlock switch) would it hurt anything if i took BOTH those wires off and see if i got spark?

 

[Bt Doctur]

Re: No spark!!! Please help

Wont hurt for testing,

 

[crestflite165]

Re: No spark!!! Please help

and yes i do have current(12.93v) at the points when i open point gap with 2 brown wires OFF of coil.when i have the 2 brown wires on the coil i dont have no volts when i open point. what does that mean then? the interlock switch or the tach is junk?

 

[Bt Doctur]

Re: No spark!!! Please help

see if it has spark and runs, report the results.We can trouble shoot from that point.

 

[crestflite165]

Re: No spark!!! Please help

thanks. just rebuilding the carb now. what is the best way to get all the old gas out of the tank?

 

[Bt Doctur]

Re: No spark!!! Please help

I use a 12v electric fuel pump in where the sender goes or remove the anti-syphon at the tank, and install a regular hose barb . fuel pump uses a 6 ft lead in hose and connections to the battery are made OUTSIDE the boat.outlet hose, any length to a suitable container

 

[crestflite165]

Re: No spark!!! also new ?'s

Re: No spark!!! also new ?'s

hey guys. got the pos started at least......after dropping the fuel pump bolt in the block. dont ask. what is the diffrence between a regular fuel pump and the one thats on my boat? can i use a car one? or maybe an eletric pump? is there sposed to be a return line on it anywhere? also found out the prop spins the whole time. what would cause that? the prop spins one way but not the other, so im guessing its stuck in forward gear? sorry for all the ?'s but im getting antsy to get this bad boy in the water!! thanks for your help guys really appricated!!

 

[vxtech]

Re: No spark!!! Please help

automotive fuel pump-NO,(explosion risk) USCG, personally i wouldn't play with an electricfuel pump not worth the hassle