2 weeks ago we couldn't get the port engine to fire - 8V92ti's. Checked everything and it came back to a bad starter solenoid. Since the engines have less than 500 hours, but the accessories were moved over from original engines, I R&R the solenoid - No dice. Started tracing electrical with some help from Calder's marine diesel engine book. PS - If you buy it on Kindle, latest Kindle software update hides the charts/figures. Long story short, when I started checking for ignition relay, found blown ignition fuse in the ER panel. Found out from fellow old Coasties that is a common sub-issue when starter solenoid fries.
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05-05-2021 04:51 PM #1
Starter Solenoid is not only thing to check...
"A smooth sea never made a skillful sailor"
Rob Waldrop
M/V Pau Hana
Ft Myers FL
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Re: Starter Solenoid is not only thing to check...
There is usually a starter helper solenoid that drives that yellow wire with black stripe engagement.
With a schematic you should be able to see the electric process.
For long wire runs (Engine room, thru the breaker panel, start switch back to the starter (( 30+ feet of wire)), it is common for a helper solenoid to engage the starter with full kick. Here is usally the hidden ghost.
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05-08-2021 09:17 PM #3
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05-09-2021 12:15 PM #4Senior Member
- Join Date
- Jun 2018
- Posts
- 1,069
Re: Starter Solenoid is not only thing to check...
I had something similar ...
First the fuse...
https://www.samsmarine.com/forums/showthread.php?32463-STBD-Engine-Electrical-Issue&highlight=starter+fuse
Then the relay ...
https://www.samsmarine.com/forums/showthread.php?33088-Starter-Relay&highlight=starter+relay
Prometheus
1978 53' MY Hull #529
Viera, FL
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05-09-2021 01:51 PM #5