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Author Topic:   More radio installation minutiae
zinny0753 posted 08-08-2002 09:36 AM ET (US)   Profile for zinny0753   Send Email to zinny0753  

I am installing an am/fm radio onto my whaler and I just want to confirm the wiring:

Red - power on when ignition is on
yellow - memory b+ always on
black - ground

Thanks for the help.


jimp posted 08-08-2002 11:23 AM ET (US)     Profile for jimp  Send Email to jimp     
Will -

I'm no expert. I used the installation instructions when I installed my am/fm/CD last year. One thing they cautioned me on was to put in a second switch that will totally disconnect the radio from the battery. They said that if this wasn't done, the radio memory function would drain the battery over a period of time. So, I have a separate switch in addition to the normal set up.

If you don''t have installation instructiona, surf the web for the company and maybe you can get a set.

If no further posts to confirm your wiring, I'll dig mine up tonight.


zinny0753 posted 08-08-2002 11:51 AM ET (US)     Profile for zinny0753  Send Email to zinny0753     
Thanks Jim:

So if you have a separate switch for the wiring, does that mean you lose the memory functions on the FM every time you turn off the switch?



jimp posted 08-08-2002 12:58 PM ET (US)     Profile for jimp  Send Email to jimp     
Will -

Yup, lose memory every time. In Juneau its not too bad. Only 1 good AM station and 2-3 good FM. Reception is bad due to mountains, so its mostly CDs. Salmon like "oldies". Halibut like Jimmy Buffet!


zinny0753 posted 08-08-2002 01:50 PM ET (US)     Profile for zinny0753  Send Email to zinny0753     

Is there a way to hook the radio up to another battery other than the starting battery? I guess my question is what kind of wireing do I use to get from the battery terminals to the red yellow and black wiring that goes in the back of the radio.

Is the draw really that bad??

tlynch posted 08-08-2002 01:57 PM ET (US)     Profile for tlynch  Send Email to tlynch     
How is this any different than a car battery and a car radio? I have never heard of a car battery being drained by a stereo that was left off.


zinny0753 posted 08-08-2002 02:22 PM ET (US)     Profile for zinny0753  Send Email to zinny0753     
Hmmm..that is a good point tlynch.
jimh posted 08-08-2002 02:55 PM ET (US)     Profile for jimh  Send Email to jimh     
[Changed topic to reflect scope of the question; was "Wiring on a Whaler"--jimh]
Taylor posted 08-08-2002 03:18 PM ET (US)     Profile for Taylor  Send Email to Taylor     
That's not a good comparison. Cars are run pretty much every day, so the alternator recharges the battery. Boats might sit a week or two between uses in the summer, and all winter long. So the radio would have a longer time to run the battery down. I don't know what the actual draw is in the off position, though.
zinny0753 posted 08-08-2002 03:32 PM ET (US)     Profile for zinny0753  Send Email to zinny0753     
Okay. I just called the manufacture (Poly Planar) and he said that the radio draws very little power(ml amps) and should not be a problem. He said that many electrics have the memory draw and where you get into trouble is when you have 5 devices drawing and you have the boat sit for weeks or a month. I just have a fish finder so I guess I'll just see.

I stall have the question about which wire on the whaler is the memory wire. Is it the yellow on??

jimp posted 08-08-2002 04:40 PM ET (US)     Profile for jimp  Send Email to jimp     
Will -

As I recall, the yellow is the memory wire. I'll confirm at home tonight.

I'll also confirm what what written/said about a second switch to avoid draining the battery.


jimp posted 08-08-2002 08:58 PM ET (US)     Profile for jimp  Send Email to jimp     
Will -

As per my Jensen CD400M installation manual:

Black - ground - Connect to ground terminal or clean, unpainted metal part or chassis. Note: I have it conected to Neg battery.

Red (+ battery) - Accessory/Ignition - Connect to existing radio wire or radio fuse. Note: mine is fused. ***This is also where the Jensen Tech Rep said I should install a second switch to completly isolate the battery.*** The manual doesn't say this, but the Tech Rep did.

Battery (memory) - Yellow (+ battery) - Connect to battery or 12 Volt power source that is always live.


zinny0753 posted 08-08-2002 09:57 PM ET (US)     Profile for zinny0753  Send Email to zinny0753     
Thanks Jim:

So I assume the wires on the whaler are configured the same way (With the yellow wire being the one I connect for the memory).

jimp posted 08-08-2002 10:08 PM ET (US)     Profile for jimp  Send Email to jimp     
Will -

Yellow = memory = positive terminal or positive power source.


jimh posted 08-09-2002 12:07 AM ET (US)     Profile for jimh  Send Email to jimh     
What are we, about 50 posts into hooking up this radio?

There is no way to know what the wiring of the radio is save looking at the instructions that come with it. It has nothing at all to do with Whalers or wiring on Whalers, which is why I changed the topic.

You seem to be agonizing over this yellow wire. The color code followed by Whaler--as far as I know--is shown in and it makes use of yellow wiring for only a few odd functions, none having anything to do with radios and their memory keep-alive circuits.

There is also a trend these days to use yellow wire as the battery negative. This avoids confusion between a black wire as battery negative (the old standard) and a black wire as 115VAC hot. That mistake could be ugly.

But no one can "confirm the wiring" because no one knows about your radio except you and the people who made it. It is not a Whaler issue.

As for "power on when ignition is on", that is superfluous--people do not wire their boats like their Buicks. You wire a boat like a boat, not like a car. You hook accessories like your AM/FM radio up to the accessory circuit breaker on your distribution panel.

zinny0753 posted 08-09-2002 07:47 AM ET (US)     Profile for zinny0753  Send Email to zinny0753     

Your arrogance has continued to blind you as to my question.

HOW DARE YOU! Jimp has been quite helpful to me in the wiring for the whaler and who ARE YOU to determine what is useful to us and what is not. oooo, the moderator, I forgot. Are you THAT conceited that every word has to utter the name WHALER or it is a waste of YOUR time?? Well, NO ONE was asking you!

Jimp, that you for your help in spite of jimh.

jimp posted 08-09-2002 11:16 AM ET (US)     Profile for jimp  Send Email to jimp     
Will -

You're welcome for the info, but bit heavy with jimh. Jimh has some good points and a wealth of knowledge.

I dislike this in a public form, but a better response to jimh may have been, "Jimh, good points, I'll be careful."


jimh posted 08-09-2002 11:50 AM ET (US)     Profile for jimh  Send Email to jimh     
Arrogance or not, just what the hell is your question that I am blinded to?

Let's get this done. Hook this radio up before the warranty is expired!

Jeez, I gave you good information--more than it looks like you deserved!

zinny0753 posted 08-09-2002 11:51 AM ET (US)     Profile for zinny0753  Send Email to zinny0753     

Yes I agree. I intended it to be sarcastic but it read a lot more serious than I planned.

Jimh - I apologize.


jimh posted 08-09-2002 01:49 PM ET (US)     Profile for jimh  Send Email to jimh     
OK, I am taking that hachet out of my skull...

Now what is the remaining question?

If you're looking for a yellow wire in a wiring harness from Whaler to connect the other yellow wire to, it won't be there. That's what I can surmise might be your question. Fire away. We really try to help, but sometimes it is hard to comprehend the exact nature of the problem.

triblet posted 08-12-2002 12:48 AM ET (US)     Profile for triblet  Send Email to triblet     
If your boat is going to sit more than a
week between uses, it should be on a smart
trickle charger for the sake of the battery,
and that will keep the entertainment system
from getting amnesia too.

I'm really surprised the radio makers
haven't gone to FLASH memory for this stuff,
which would survive power removal. But they


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