Forum: Newport
09-06-2019, 10:56 PM
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Replies: 7
Views: 6,579
Exhaust Blowers
Don’t reverse the flow of your exhaust blower. Both the Coast Guard and ABYC state that gasoline inboard engines must have one or more exhaust blowers. While the ABYC recommendation is not binding...
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Forum: Electrical
08-24-2019, 10:24 AM
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Replies: 16
Views: 4,758
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Forum: Troubleshooting
08-16-2019, 08:54 AM
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Replies: 38
Views: 8,585
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Forum: Electrical
05-21-2019, 05:43 PM
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Replies: 25
Views: 10,019
A last post, inspired by your photo of the...
A last post, inspired by your photo of the batteries.
1. Your proposed (simplified) hookup in post #16 looks OK.
2. The black and red cables to the batteries look like #2s.
3. The battery...
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Forum: Electrical
05-19-2019, 04:09 PM
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Replies: 25
Views: 10,019
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Forum: Electrical
05-17-2019, 09:20 PM
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Replies: 25
Views: 10,019
Switch Contact Action
I should mention this afore forgetting it.
Your isolator and alternator failure may have been caused by opening (disconnecting) the alternator output while the engine was running. This causes a...
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Forum: Electrical
05-17-2019, 08:31 PM
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Replies: 25
Views: 10,019
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Forum: Electrical
05-17-2019, 03:29 PM
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Replies: 25
Views: 10,019
Neuse:
Well, Yes and/or (inclusive OR) No. ...
Neuse:
Well, Yes and/or (inclusive OR) No. I’ll be cautious. I have no idea what this “Sel Sw” is. What are it’s contacts rated for? A picture (Suitable Fo’ Framin’) of the front of this...
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Forum: Electrical
05-16-2019, 10:06 PM
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Replies: 25
Views: 10,019
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Forum: Electrical
05-16-2019, 05:05 PM
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Replies: 25
Views: 10,019
Alternators
If you would like to know how alternators work, possible places that discuss this include:
https://alternatorparts.com/understanding-alternators.html
The best, and most understandable however,...
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Forum: Electrical
05-16-2019, 01:04 PM
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Replies: 25
Views: 10,019
No. Most toggle switches are rated at no more...
No. Most toggle switches are rated at no more than 10 amps. If you mean one wire is from the alternator output (you said “to the alternator”) then that can carry, and switch, the full alternator...
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Forum: Electrical
05-15-2019, 09:39 AM
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Replies: 25
Views: 10,019
Motorola Alternator MR12N451D
Prestolite Leece-Neville bought out Motorola’s line of alternators a few years ago. Yours is probably a 37 amp model MR12N451D. The Prestolite web site is not easy to navigate, but the parts list...
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Forum: Fuel System
10-28-2018, 08:43 AM
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Replies: 13
Views: 4,157
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Forum: Ignition System
09-02-2018, 02:36 PM
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Replies: 8
Views: 3,493
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Forum: Overhaul
08-31-2018, 09:10 AM
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Replies: 16
Views: 5,603
Accessory Drive Exchange
I’ve been patiently waiting for someone to reference this gem from the Support/Tech Tip section of the Moyer site:
https://moyermarine.com/techtip001-2-2-2-2-2-2-2/
This, plus the FAQs, and...
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Forum: Troubleshooting
08-05-2018, 04:58 PM
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Replies: 11
Views: 2,832
Oil Leaks
If you have a mechanical oil pressure gauge, or a remote mounted electrical sender, check to see if the brass NPT fitting into the front of the block, or its copper tube, has a crack. In my case,...
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Forum: Troubleshooting
08-03-2018, 08:10 AM
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Replies: 76
Views: 19,585
Coil Mounting
Allow me to add my final thoughts on the matter. I believe Neil and I are saying pretty much the same thing: coil failure is caused by coil primary wire insulation breakdown due to heat. That heat...
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Forum: Troubleshooting
08-02-2018, 04:13 PM
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Replies: 76
Views: 19,585
Coil Mounting
Yes, Neil. I moved the coil off the engine out of exasperation but largely on principle. That principle is that heat is the biggest killer of insulation. No more testing was done to determine how...
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Forum: Troubleshooting
07-31-2018, 08:25 AM
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Replies: 76
Views: 19,585
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Forum: Troubleshooting
07-30-2018, 09:35 PM
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Replies: 76
Views: 19,585
Coil Location
Neal is right advising caution without concrete evidence. I’ve had the Indigo electronic ignition, with the Crane Cams/FAST XR700 control unit, since 2000 (newly installed hour meter - 0 hours). I...
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Forum: Troubleshooting
07-30-2018, 08:03 AM
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Replies: 2
Views: 2,130
Gauge Sender Testing
You haven’t said which manufacturer. Most (?) A4 OEM gauges were Stewart Warner. These references should help. A search of this forum should give you plenty of past discussions.
...
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Forum: Electrical
07-21-2018, 04:01 PM
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Replies: 9
Views: 2,830
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Forum: Electrical
06-24-2018, 03:29 PM
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Replies: 3
Views: 2,959
Cool idea, poorly executed
Terminal Tamer ...
Cool idea, poorly executed
Terminal Tamer
1. The copper bus bar is not tin plated. Once it’s developed a copper oxide or copper sulphate corrosion coating, it’s resistance will increase.
2....
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Forum: General Interest
06-23-2018, 01:44 PM
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Replies: 10
Views: 3,133
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Forum: Cooling System
06-19-2018, 10:45 AM
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Replies: 14
Views: 6,084
As to frequency, an older manual says,
...
As to frequency, an older manual says,
“Lubrication of the water pump seals is provided from the grease cup located on the pump body. Periodically tighten the cup until some resistance is felt to...
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