Trojan Gauges 1970-1980

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BeaconMarineDon
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Trojan Gauges 1970-1980

Post by BeaconMarineDon » Fri Aug 11, 2017 4:09 pm

From 1970-1980 Trojan used AC Delco gauges. Occasionally, some Trojan F Boats before 1980 (like the F-30 1979-1980) used Datcon gauges.
Problems occur when these rules are not followed. Often, this is the mistake of a marine technician who is unaware of how Delco gauges and senders work together.

A very common mistake deals with Delco gauges and senders. Typically, an owner notices a gauge problem and assumes it's an issue with the sender. The sender is replaced with an off-brand / non-Delco sender -- only to find that the Delco gauge readings are off or the gauge is not working at all.

Here are some of the basics of Delco gauges and senders:

1. You can identify a Delco gauge by it's tin backing. Delco gauges do not have plastic backs.

2. There are two types of Delco gauge - a single station gauge and a dual station gauge.
Delco gauges are are also stamped as 'Single' or 'Dual' on the side (see photo)

3. Each type of Delco gauge has a single sender. For example, Delco fuel gauges must use a Delco fuel sender. The same applies to
engine temperature and oil pressure gauges. Note: A Delco sender will power either a single or a dual gauge system.

4. Trojan used either white needle or orange needle Delco gauges.


At Beacon Marine, we have Delco single and dual gauges. We also have the senders for fuel and engine temperature. We *do not* have any
Delco oil pressure senders. But, *WE DO* have an oil pressure gauge that is a close match to the Delco oil gauge and a matching oil pressure sender.
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JimmyPajama
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Re: Trojan Gauges 1970-1980

Post by JimmyPajama » Mon Oct 22, 2018 4:25 pm

Very helpful - I would like to replace my gauges. I know gauges differ by the type of engine and drive. My gauges are plastic backed and green see attached. Do I need to replace the sending units when replacing the gauges?

Thanks Jimmy
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1979 F32 Express Lake Minnetonka

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prowlersfish
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Re: Trojan Gauges 1970-1980

Post by prowlersfish » Mon Oct 22, 2018 6:45 pm

Your gauges will need to match the senders .You may be able to get gauges with the same specs. I don't believe your gauges are the original . Any close ups ? If I zoom in they get blurry
TROJAN F36 Conv.
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prowlersfish
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Re: Trojan Gauges 1970-1980

Post by prowlersfish » Mon Oct 22, 2018 7:50 pm

Why are you replacing them ? Any issues
TROJAN F36 Conv.
6BTA Cummins diesels
Life is to short for a ugly boat :D
2009 TROJAN RENDEZVOUS
Port Kinsale 2010 & 2011. Solomons get together 2011.

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