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Search took 0.00 seconds. Search: Posts Made By: mmwjr
Forum: Engines 05-26-2020, 11:15 AM
Replies: 36
Views: 1,831
Posted By mmwjr
Glad you figured it out. Time to find a new...

Glad you figured it out. Time to find a new mechanic.
Forum: Engines 05-22-2020, 01:24 AM
Replies: 36
Views: 1,831
Posted By mmwjr
The oil pressure switch is on the rear port side...

The oil pressure switch is on the rear port side of the engine where the oil filter is or if a remote filter where the lines attach to the block. It will have two wires. Sometimes the switch goes...
Forum: Engines 05-20-2020, 01:50 AM
Replies: 36
Views: 1,831
Posted By mmwjr
Try this googling mercruiser 4.3 wiring diagram

Try this googling mercruiser 4.3 wiring diagram
Forum: Engines 05-20-2020, 01:42 AM
Replies: 36
Views: 1,831
Posted By mmwjr
Don’t see where you said the year of the boat....

Don’t see where you said the year of the boat. Being 4.3s they went to electric fuel pump around 1993. When starting the pump gets power from the starter soleniod and once started a oil pressure...
Forum: Engines 05-14-2020, 11:21 AM
Replies: 36
Views: 1,831
Posted By mmwjr
While a new starter may resolve the issue for now...

While a new starter may resolve the issue for now the problem will come back in time. It’s you money so your call.
Forum: Engines 05-13-2020, 11:31 PM
Replies: 36
Views: 1,831
Posted By mmwjr
Well that really sucks. Yup the engine needs to...

Well that really sucks. Yup the engine needs to come out and the flywheel replaced. I’d do a new starter as well. Get a quote for the job and call around to compare quotes.
Forum: Engines 05-11-2020, 10:58 AM
Replies: 36
Views: 1,831
Posted By mmwjr
Have you verified the voltage at the starter when...

Have you verified the voltage at the starter when cranking? Using the engine block as the return? While it may be the starter corroded or loose battery connection of either positive or negative at...
Forum: Engines 05-10-2020, 11:48 AM
Replies: 36
Views: 1,831
Posted By mmwjr
I guess we’ll find out when try’s swapping the...

I guess we’ll find out when try’s swapping the batteries. A better test would checking the voltage at the starter while cranking.
Forum: Engines 05-09-2020, 07:45 PM
Replies: 36
Views: 1,831
Posted By mmwjr
Yes you can try the switches in both and it may...

Yes you can try the switches in both and it may work but what this does is put the two batteries in parallel and the bad battery will pull down the good one however it may work.
Forum: Engines 05-09-2020, 04:51 PM
Replies: 36
Views: 1,831
Posted By mmwjr
Yes that would indicate a bad cell on the...

Yes that would indicate a bad cell on the battery. To verify you could try swapping the port and starboard batteries.
Forum: Engines 05-09-2020, 11:56 AM
Replies: 36
Views: 1,831
Posted By mmwjr
You need to measure the battery voltage while...

You need to measure the battery voltage while cranking to do a real test. Also try removing the battery cables and cleaning them at both ends.
Forum: Engines 05-06-2020, 09:05 PM
Replies: 36
Views: 1,831
Posted By mmwjr
The starter is disengaging either due low voltage...

The starter is disengaging either due low voltage or the mechanism that pushes out the starter gear is bad. The hoses you mention are the raw water coming in from the transom to raw water pump then...
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