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Forum: Engines and Propulsion Systems 19-07-2019, 12:54
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

The sensor metered out perfectly.... so I went ahead and replaced the blue/red and orange wires with a new 14x2 cable from Worst Marine... put new ends on both ends and ran the new cable in such a...
Forum: Engines and Propulsion Systems 18-07-2019, 19:08
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

If the engine is cool, I can crawl in and lay on top of the engine and check the resistance. What I'm more interested in is the output voltage of the sensor if it fails with the new cable! On the...
Forum: Engines and Propulsion Systems 18-07-2019, 18:06
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

I'm planning to run an entire new cable with larger gauge wire and all new connectors. I suspect a possible short in the original harness. It's that or a defective sensor which is expensive and...
Forum: Engines and Propulsion Systems 18-07-2019, 03:46
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

I think we are on the same page. Two reasons why I run the boat down the river...first, it's a lot cooler than sitting and sweltering I the high heat and humidity. Did I mention I'm in South...
Forum: Engines and Propulsion Systems 16-07-2019, 10:09
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

I was able to relocate some hoses from the water pump to the water heater that allowed me to crawl back far enough to actually see the mag sensor. Took your advice and tugged on the wires and found...
Forum: Engines and Propulsion Systems 15-07-2019, 16:40
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

Actually I've thought about it...about opening a hatch in the quarterbirth bulkhead to provide access to the rear of the engine. I've also looked at opening a hatch in the cockpit like those in the...
Forum: Engines and Propulsion Systems 15-07-2019, 06:12
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

I had cleaned all the inline connecting plugs. There's 3 between the sensor and the tach. I can barely see the top of the sensor when I crawl in head first over my engine and really don't have...
Forum: Engines and Propulsion Systems 15-07-2019, 05:04
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

Question....since I have limited visibility to the sensor because of how my engine is hidden...do you know how the wires connect to the sensor? Are they connected wtih spade connectors or similar?...
Forum: Engines and Propulsion Systems 14-07-2019, 16:51
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

If by CLIPS, you mean the connection plugs, I've already cleaned them with acetone on a little piece of cloth on the tip of a screwdriver.
Forum: Engines and Propulsion Systems 14-07-2019, 16:48
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

Have to find a 17 year old kid that knows how to turn a wrench and be able to squeeze into the access hatch in the lazarette first! I'm pushing 71...I'm 6ft and 198 lbs. I don't bend like I used...
Forum: Engines and Propulsion Systems 14-07-2019, 12:49
Replies: 33
Views: 11,737
Posted By dennismenace111
Re: Yanmar xGMxx Tach Sensor Question

Ive got a similar situation. My tach on my Yanmar 2gm20F works perfectly for about 45 minutes while I cruise down the river to the first bridge that I have to open... as soon as I throttle back to...
Showing results 1 to 11 of 11

 
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