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Topic: Engine Starting Issues

Author Message Prev Topic | Next Topic  hmanso "Seaman Recruit" Joined: April 15 2008 Posts: 3 Posted: May 06 2008 at 13:40 | IP Logged Hello all. i own a 1978 Reinell 1978 with a 140hp 4cyl mercury mercruiser engine. i have trouble starting it. the boat has power everywhere but the engine. it does not do anything at all. does anyone have any advise? Back to Top    captbillc "Seaman Recruit" Joined: May 06 2008 Posts: 1 Posted: May 06 2008 at 21:32 | IP Logged    from your question it seems the starter does not crank the engine at all. starter solenoids have a smaller wire connection which energizes the solenoid coil to activate the starter motor. when you turn the key to start you should have 12V at this terminal. if you do not, the trouble is in the key switch or wire. if this is the case you can start the engine by using a jumper wire from this terminal to the battery cable on the starter for an emergency start. if this will not work and you have 12V at the battery cable the solenoid or the starter is bad.       captain bill  captbillc@gmail.com       (retired diesel mechanic) Back to Top    hmanso "Seaman Recruit" Joined: April 15 2008 Posts: 3 Posted: May 07 2008 at 07:45 | IP Logged Captain Bill, thank you for the response. I will try the pointers you gave me i will let you know what happens. Back to Top    hmanso "Seaman Recruit" Joined: April 15 2008 Posts: 3 Posted: May 08 2008 at 23:25 | IP Logged captain bill, i did the jumper test and the starter did crank the engine. i did a test on the yellow red wire to test for the swicth but there was no power from there. Back to Top

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