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Rudder Synchronizer Gauge

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ronmar
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Rudder Synchronizer Gauge

Postby ronmar » October 9th, 2018, 3:28 pm

Please before you respond "just mark wheel where appears to be dead center", I want the system to work. Drives me crazy to have something not working as it should.
I have a 93 350 Aft Cabin with rudder synchronize gauge that is not registering. It appears the sender unit is mounted on the rudder link rod under the aft cabin bed. I see 3 red wires as part of the harness. 2 are attached to the sender. The 3rd is not attached and simply coiled and tied off. Does not appear to be a connection where it would attach and assuming just an extra. All connections on the gauge itself are connected and the light comes on with instrument lights but not registering for rudder position.
Does anyone know how I should test and or repair?

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Re: Rudder Synchronizer Gauge

Postby Midnightsun » October 9th, 2018, 5:22 pm

I assume you mean rudder position indicator gauge? If so then they are quite simple. Basically a rheostat or variable resistance if you prefer. Normally only 2 wires are used at the sender. A wire from the gauge to the sender and a wire to ground. Here is a video which is pretty self explanatory.
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Re: Rudder Synchronizer Gauge

Postby bud37 » October 9th, 2018, 5:53 pm

I will just throw this out there , the red one could be for connection to auto pilot perhaps, dont know just spitballin .......... :popcorn:
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Re: Rudder Synchronizer Gauge

Postby Midnightsun » October 9th, 2018, 6:21 pm

Not sure if these are set up differently on other boats but my auto pilot has its own sender similar to the gauge sender excepth it says Ray Marine on it. Bottom line is Carver installed a sender for each application on my boat from the factory.
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Re: Rudder Synchronizer Gauge

Postby pepmyster » October 9th, 2018, 8:07 pm

And I believe mine is a dial style on the rudder arms which, that too needs adjusting, not showing center, just farts around all over.
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Re: Rudder Synchronizer Gauge

Postby Viper » October 10th, 2018, 7:29 am

Disconnect the sender actuator. Turn on the power, and while someone is watching at the helm, turn the actuator in both directions and have the person at the helm report if the gauge is moving. If it doesn't, quickly short both leads at the sender and see if the gauge sweeps. If it does, replace the sender. If it doesn't sweep, the possibilities are, the gauge, wiring, or circuit not getting power.
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Re: Rudder Synchronizer Gauge

Postby amanphoto » October 13th, 2018, 7:37 am

Have you cleaned the connections on the sending unit on the rudder? If sending unit is bad it can be replaced for around $200.
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Re: Rudder Synchronizer Gauge

Postby Midnightsun » October 13th, 2018, 8:38 am

amanphoto wrote:Source of the post Have you cleaned the connections on the sending unit on the rudder? If sending unit is bad it can be replaced for around $200.


That's a lot of $ for a sender. This is what I bought however you would need to check the resistance type you have as this model may not be compatible with your gauge. https://www.ebay.com/itm/Singal-Station ... 0005.m1851

Actually that is not true since I bought the gauge and sender in a package. Really only did this because I wanted white gauges when I redesigned my dash and electronics. https://www.ebay.com/itm/KUS-Boat-Rudde ... SwpOxaAWGK


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Re: Rudder Synchronizer Gauge

Postby amanphoto » October 13th, 2018, 10:04 pm

VDO Single position Rudder Indicator Sender was $112. from Defender (302194). Angle Gauge was $67. from Defender (305415).

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