Sync gauge sending unit location?

[drifter]

I know I have read this in a post before and I can't seem to find it.  Any help is appreciated!

[Lifes Good]

On my 320 2006 its under the bezel.  Pull the dash with the swithes and there is a round blank unit that looks like it should be a tach guage.  This controls the sync.

[drifter]

On my 320 2006 its under the bezel.  Pull the dash with the swithes and there is a round blank unit that looks like it should be a tach guage.  This controls the sync.

Thx!

[drifter]

This is the weekend to fix stuff... i hope (have other post on my depth issues). I sent the gauge to faria over the winter, got it back, and same results so I am assuming the sending unit is the issue now. Is this the sending unit? It has a connector coming in and the out goes to the sync gauge. Seems logical but curious if others have replaced this? Is this what goes bad and causes the gauge to lay to port?  Thanks so much and hope the east coast folks are enjoying this weather!

[ParkRode360]

i'd be interested in this answer, as mine's been pointing to port for the past three seasons! 

[Lifes Good]

Yes you found it.

[drifter]

Yes you found it.

Awesome and thanks. Any idea where I can order one? I've tried all the numbers on it and can't seem to find? Is this a faria piece covered under warranty?

[drifter]

I was just reading the faria manuals and I think I am going to try calibrating first. I don't think that is the problem but I don't feel like I have much to lose trying....  Still can't find a place to buy and faria seems to be quiet on the unit from what I can tell. Is this technically a "bus"?
http://faria-instruments.com/site_manuals/IS0100_Syncronizers.pdf

[drifter]

OK, when i start the starboard engine the gauge will lay to starboard. When I start the port (with starboard running), it drops to port and stays there.  Makes me think it is a calibration things but i spun the calibration adjustment both ways and it didn't change anything. Anybody have experience with these? Thanks so much.

[Lifes Good]

Maybe I missed it but what does the sync do while cruising?  I am trying to remember what mine does but I think if I give the Port more power the sync moves to the Starboard and vs versa.  But its dead on when both engines are perring at the same RPM.  Maybe your wires are crossed? Or the gauge on the dash is goofy.  I don't think there is much inside the canister that can go wrong.  I generally just listen to the engines to set the RPM's and I find my ear is with in 10 RPM.  I know this since I also have a fuel monitor which shows both engines RPM's in a digital format.  Which is kinda cool.

LG

[drifter]

Maybe I missed it but what does the sync do while cruising?  I am trying to remember what mine does but I think if I give the Port more power the sync moves to the Starboard and vs versa.  But its dead on when both engines are perring at the same RPM.  Maybe your wires are crossed? Or the gauge on the dash is goofy.  I don't think there is much inside the canister that can go wrong.  I generally just listen to the engines to set the RPM's and I find my ear is with in 10 RPM.  I know this since I also have a fuel monitor which shows both engines RPM's in a digital format.  Which is kinda cool.

LG

Honestly, with the ear test and the tachs,.... very little "needed" with the gauge other than it doesn't work. I've looked at all the post on various smart craft upgrades and I think it is a must in the near future. The pic of what i believe is the sending unit above has adjustments on it. WHen i look inside it does look like some type of harware so a circuite could short, etc. For the life of me, I can't seem to find it anywhere which is more of a fun treasure hunt at this point. Surprised it isn't even mentioned on the faria site.

[drifter]

I found this on teleflex site... THe problem is it isn't faria but it seems consistent with the problem. Now if I could just find the part... 

Recheck all wire connections to be certain they are clean and tight. Be sure the two plugs are pushed on properly.
You must have 12 VDC minimum on the module "IGN" terminal and the "GND" terminal must be grounded.
If the gauge on the dash is always "pegged" to port or starboard, the module is usually at fault. It probably will need replacement.
The module can be checked by measuring certain voltages while the system is running. Connect a volt-ohm test meter to the dash gauge as shown to either port or starboard side. With both ignitions on (but the engine not running) the test meter should read about 5 volts either side. At 2,000 RPM on starboard engine (0 RPM on port), the meter will read 9 volts on starboard side and 2 volts on port. Repeat the test by swapping actions to the port engine. NOTE: All voltages listed are approximate.
To check gauge only (Fig. 1), place a 130-ohm 1/2-watt resistor from port or starboard gauge terminal to ground. Connect the gauge ignition terminal to positive voltage source. The pointer will deflect about 45.
System is energized only when ignition switch it is connected to is on.
The gauge pointer will point towards the "faster" engine, if wired as shown above. Reversing the "S" and "P" connections at the module will make the synchronizer point to the "slower" engine.
In some cases it may be necessary to decrease the sensitivity of the system. This means a greater difference of engine speeds will be required for an equal deflection of the gauge pointer. Loosen the jumpers, swing them out of the way, re-tighten nuts.
One module can operate two gauges, if the sensitivity jumpers are left in place. Damage to the module will result if they are removed.
The same gauge and harness can be used on various type engines, but the module must be changed with engine type:
PART NO. APPLICATIONS
1508370P Gasoline stern drive & inboard
1504877 Diesel Alternator
1507574 Diesel Magnetic Pickup
1508473 Diesel Signaflex
The gauge can be zeroed by adjusting the module's null potentiometer under the red hole plug (with both ignitions on).

[drifter]

Ok got faria on the phone (Jason). Basically this is a one off part. The part number is MD0012 which is on the side of the unit. He said it is called the "remote sync assembly". He recommended a custom order through west marine,boaters land, or to call Rinker directly. Will try to get a price this week.

[drifter]

Quick update. I got the new module but the boat is out of the water now...  Going to have to wait until spring. I will update around march when we launch.

[rinkercruiser]

Faria has its own web site and the gauges usually have a life time warranty.... The web site tells you how and where to send the gauges to be repaired and the cost.