Engine start

A

alfadee

Recruit
Joined
Apr 24, 2011
Messages
2
I have a 1979 Formula with a merc. 305 chev. it is very strong compression and turns by hand the way it should. I have changed the battery and cables and seliniod also had the starter rebuilt. I have checked the wires out only by eye.
NOW! The problem is the only thing that I get is a click by key and with a jumper on the starter I get a motor spin but not engaging. Can any body please tell me what I am not seeing here.
Just wondering about the breaker could it be bad. The one that sits on top of the engine.

THX for the help
 
Bt Doctur

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,111
Re: Engine start

what lugs are you using to jump the starter solenoid.you want the main battery cable lug and the small post closest to the engine ( should have an "S" on it.
 
Bondo

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,513
Re: Engine start

I have checked the wires out only by eye.
Click to expand...

Ayuh,... There ya Go,... There's the Problem... Welcome Aboard....

Remove, sand, clean, reinstall, 'n grease ALL the wiring ends...
That'll get corrosion outa the diagnosis...
and with a jumper on the starter I get a motor spin but not engaging.
Click to expand...
Yer jumping the wrong 2 terminals...
Jumper the inside tiny terminal to the battery wire lug....
Make sure the coil is gettin' power...
Just wondering about the breaker could it be bad. The one that sits on top of the engine.
Click to expand...

Doubt it,...
A DVM or Testlight will tell ya...
 
S

sschefer

Rear Admiral
Joined
Nov 13, 2008
Messages
4,530
Re: Engine start

Have you had the ignition switch tested? They do go bad now and again but everybody always buys a 200.00 starter first rather than a 15.00 igniton switch.. Beats the heck out of me why they don't test both before laying down the credit cards.
 
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