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Old 28-05-2019, 18:17   #1
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What connector to crimp on wire for Simrad AC42 Autopilot wires?

Pictured is a portion of the wire terminal section of a Simrad AC42 autopilot (discontinued)

The power, motor & remote terminals are normal screw terminals for wires. But the alarm, rudder input & Simnet wires as pictured only have a wire post exposed, around which some sort of female plug goes.

Does anyone know where I can get the part which slides into the socket, or what the part is called?
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Old 28-05-2019, 18:45   #2
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

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Does anyone know where I can get the part which slides into the socket, or what the part is called?

The alarm, rudder input & Simnet connections should have had plug-in screw terminals same as the the other terminals. I don't know their generic name, but such connectors are made by AMP, Molex and others. Here's one example.


If you have the service manual for your unit, it should have the exact part number. A dealer or service shop might also have a few in stock.
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Old 29-05-2019, 02:57   #3
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

Simrad Manual ➥ http://ww2.simrad-yachting.com/Root/...222568_E_w.pdf
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Old 29-05-2019, 10:58   #4
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

I have an AC42. I don’t recall needing any connectors.
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Old 29-05-2019, 11:08   #5
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

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Originally Posted by Lake-Effect View Post
The alarm, rudder input & Simnet connections should have had plug-in screw terminals same as the the other terminals. I don't know their generic name, but such connectors are made by AMP, Molex and others. Here's one example.


If you have the service manual for your unit, it should have the exact part number. A dealer or service shop might also have a few in stock.


This sure looks like the correct one to me.

Best to break out your calipers and measure pin spacing, etc.
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Old 29-05-2019, 15:46   #6
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

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Found that manual and there was no mention of it. It seems these connectors are two parts, so that the wires can be attached to a block, then the block inserted into the matching piece on the circuit board.
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Old 29-05-2019, 15:47   #7
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

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Originally Posted by Lake-Effect View Post
The alarm, rudder input & Simnet connections should have had plug-in screw terminals same as the the other terminals. I don't know their generic name, but such connectors are made by AMP, Molex and others. Here's one example.


If you have the service manual for your unit, it should have the exact part number. A dealer or service shop might also have a few in stock.
That was the trick. Typing "5.08mm block" into eBay gave me a ton of quick delivery options.

Thanks
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Old 30-05-2019, 08:17   #8
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

You'll probably find that the "Remote" terminal block is the detachable portion of another connector like alarm, rudder & simnet. Could use it as a sample if you need one while shopping.
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Old 30-05-2019, 09:23   #9
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

Those connectors are standard industry parts. The trick is to find the right part number.

A couple ideas:

Call Navico tech service. They might have access to that information, they have always been helpful to me. Mostly they are software support, but this item's sourcing might be in their internal tech documents. They used these connectors on a lot of things...

There are a few electronic supply houses with retail storefronts out there. If you are lucky enough to be near one they can help if you bring the box in. A good geek can just look at it and rattle off the part number...

Last idea, diligently search through the AMP and Molex catalogs until you find the right one... They are cheap, so if you can't decide on the right one, you can always order a bunch of possibilities.

If you haven't seen one, attached is what the matching plug looks like.
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Old 30-05-2019, 15:02   #10
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Re: What connector to crimp on wire for Simrad AC42 Autopilot wires?

They are industry standard, as mentioned above. The spacing is 0.2" and you can order one from Amazon


If I wasn't on vacation, I could mail you one, but you'll get it quicker from Amazon, anyway.
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