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Old 17 March 2013, 08:35   #1
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Country: USA
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Help with my "vintage" Avon Searider

I purchased a 1991 Avon Searider 7.4M SOLAS inboard Volvo turbo diesel that had had a hard life. After replacing the turbo, exhaust elbow, rewiring the entire engine system, patching tubes, etc. etc., I'm having more fun than any 50 year old man with 2 hookers and a puppy. It irritates me, though, that the original tilt/trim wiring, fuel sender, and speed sensor wiring are all installed and complete right up to under the dash. All end in various sized AMP connectors with various numbers of pins or socket holes, but I have no idea how to put any of them together again.

I've contacted Avon for the owners manual for the boat, but they are about as worthless as tits on a boar hog when it comes to anything that happened before Zodiac bought them out. If anyone has an owners manual with wiring diagrams for an Avon Searider 7.4M inboard SOLAS version, well I'd buy it from you, I'd steal it from you, I'd beg you to make me a bad copy, I'd borrow it, scan it, and put it on the internet for everyone to see if you'd let me. I'd be willing to bet that the 6.4M and the 8.4M inboard diesel have the same wiring as the 7.4, so they would do in a pinch. OR, I'm pretty handy with an O-scope. If enyone knew what the range on the senders was, I could hook up the ol' O-scope and figure out what does what. I don't know if any/all are 4-20 mA or something else.

If anyone knows what the heck I'm talking about, I'd love a reply.

Thanks,
Captain Frank Wasson
Spree@spreeexpeditions.com
Spree Expeditions
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Old 17 March 2013, 09:33   #2
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I'm having more fun than any 50 year old man with 2 hookers and a puppy.

Tits on a boar hog
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Old 17 March 2013, 09:44   #3
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Rogue Wave on here used to have a 7.4 inboard Searider. He might be able to help?

Failing that, BHG marine are usually pretty helpful and they are a fairly major Avon dealership. They might be able to get you the required info from Avon/Zodiac: BHG Marine - Home Page
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Old 17 March 2013, 10:35   #4
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Worthless those old seariders , what i would do is put it in a container and ship it to the netherlands.i will gladly put you out of your misery. And even pay the freigt :-) . Rogue wave is a good guy. Hoge he can be of help if not just pm and ill ask a freind who has a 6,4m that had origianally a 140hp volvo in it.

Rg bert
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Old 17 March 2013, 10:40   #5
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Yep, Rogue will know. If he doesn't, Biffer will.
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Old 17 March 2013, 10:54   #6
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Worthless those old seariders , what i would do is put it in a container and ship it to the netherlands.i will gladly put you out of your misery. And even pay the freigt :-) . Rogue wave is a good guy. Hoge he can be of help if not just pm and ill ask a freind who has a 6,4m that had origianally a 140hp volvo in it.

Rg bert
Probably not worth the shipping, engine runs smooth (I can only compare to old Detroits), hull is sound, out drive seems bulletproof, and it only runs 25 knots when hooked up. You probably wouldn't want it. Thanks for the offer, though.

My Volvo dealer thinks that the engine in it is only 90 HP. Is that possible? I thought it was a TAMD 31B, he says it's a AD 31P.
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Old 17 March 2013, 12:52   #7
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150hp
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Old 17 March 2013, 15:43   #8
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I had an old avon 7.4 with a Yamaha 240hp in it, used to do 57 mph, tough old girl, sold it recently to a boatyard as a tow boat, getting back to your avon, avon won't know nothing about your engine installation, chances are that they never even installed it themselves, best to get a wiring diagram from Volvo, I know what you mean about plugs etc on there looms, they do seem over complicated
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Old 17 March 2013, 15:53   #9
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I had an old avon 7.4 with a Yamaha 240hp in it, used to do 57 mph, tough old girl, sold it recently to a boatyard as a tow boat, getting back to your avon, avon won't know nothing about your engine installation, chances are that they never even installed it themselves, best to get a wiring diagram from Volvo, I know what you mean about plugs etc on there looms, they do seem over complicated
I bought a Volvo loom for the engine, top notch there, it was used and I got it for free. All worked too. It's the speed sensor and fuel tank sender I'm most interested in figuring out how to get working. You think that was installed by Volvo?
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Old 17 March 2013, 16:55   #10
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What makes you think that the fuel sender and speed sensor are compatible with your engine installation, can you see the fuel sender unit and where is the speed sensor on your hull/ out drive, have you a Volvo fuel and speed gauge on your dash.
Volvo don't make fuel senders so it will be one that should be compatible and as far as I can think while sitting in a hotel in the south of France, there is no speed sensor on that Volvo outdrive
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