Arctic Cat Prowler Forums banner

1 - 20 of 29 Posts

·
Registered
Joined
·
130 Posts
Discussion Starter #1
Hi all:

I have installed a Sony marine radio in my 650 prowler. It works fairly well, but I`m experienncing engine noise when the machine is running. I had installed an antenna filter, but that didn`t seem to help.

Do I need a power filter too?

Any other advice on radio installations, many thanks.
 

·
Registered
Joined
·
825 Posts
A power filter and make sure your wiring is directly to the battery and well grounded. Antenna lead should be as far away from the coils as you can get them.
 

·
Registered
Joined
·
130 Posts
Discussion Starter #4
I would say whining, didn't really notice any ticking. I've mounted the antenna just forward of the glove box outside of the frame.
 

·
Registered
Joined
·
825 Posts
I mounted mine horizontally over the windshield so the trees do not bust it off.
 

·
Registered
Joined
·
3,564 Posts
Something quick and easy for you to try. Take a peice of wire 18,16 gauge and attatch it to the ground side of the battery. Now just touch it to the outer case of the deck. Does the engine noise change or go away? If it is still there try getting your power from the battery. Yep I mean both plus A and plus B. I realize that you already should have one that is hot all the time for memory. But where I am going with this that a battery does a descent job of being a noise filter in most cases. If you tried these and they worked great. We can get into how to wire a relay in to make all this work off the battery and off the the key or a switch if you like. Or of course it can be hot aal the time. If it does not have back lighting or something other than memory that will drain the battery. Oh and one more thing to consider is to run your test wires away from the main harness if you can. The main harness can emit noise causing interference. If this stuff does not work it might be time for noise filter. But you should already have one of those built into the deck.
I would say whining, didn't really notice any ticking. I've mounted the antenna just forward of the glove box outside of the frame.


Never pay again for live sex! | Hot girls doing naughty stuff for free! | Chat for free!
 

·
Registered
Joined
·
130 Posts
Discussion Starter #8
Thanks for the tips. I will give it a shot this weekend and report back with the result. My machine is at the cabin, so I only get to work on it during the weekend.

I actually tapped into a couple of power leads under the dash (directly off the wiring harness). I'm getting constant power from the cigarette lighter socket, and switched power from a lead from the ignition switch.

If I knew a power filter would eliminate the noise I would be more inclined to do that than to screw around running additional wires and relays (more time for riding that way!)

The antenna I have is a whip FM antenna, only about a foot long. I've mounted it to the plastics and wondered if it needed to be grounded to the chassis to work effectively? The antenna filter that I installed can be seen here, it helped reduce noise:

E2 Antenna In-line Noise Suppressor | Canadian Tire
 

·
Registered
Joined
·
3,564 Posts
That tells a little more of the story with the antenna generating noise. The antenna should be grounded. You are having some ground loop problems. If you unplug the antenna is the noise all gone? If not the wires you tapped into might be suppling the noise.
The inline noise filter might help. But the newer descent decks all ready have noise suppresion built in. Does not mean your way might be not be better if thats what you want to do. Don't let the relay scare you. You probably don't need it. And if you do they are very easy to do. Let us know if you need anymore help.



Never pay again for live sex! | Hot girls doing naughty stuff for free! | Chat for free!
 

·
Registered
Joined
·
825 Posts
If it is power related he may have a rectifier diode brealing down in his voltage regulator. You can use a voltmeter set on AC Volts and anything more than .2vac will cause noise. Also a weak battery or bad cells in the battery will cause this as the battery acts like a super large filter to absorb the ac voltage on the dc line.
 

·
Registered
Joined
·
130 Posts
Discussion Starter #11
I didn't realize a radio install was going to be such a task!! Appreciate your help on this.

Regarding the antenna, when I pull it, I lose reception so badly that it's difficult to hear any noise over the engine. Of course I have no noise when the engine is off.:D

I will check for signs of AC when I get up to the cabin tomorrow, will also try grounding the radio case and grounding the antenna (and/or perhaps simply grounding the radio case to the antenna)

Between all these suggestions, I should have a noise free radio soon enough. Will report back on Monday. Thanks again.
 

·
Registered
Joined
·
130 Posts
Discussion Starter #12
OK, here is the latest

Checked for AC voltage and got a reading of 0.0 VAC

Grounded the antenna and grounded the radio case,both to the battery....no change in the noise.

The only other noteworthy thing - the noise is a "ticking", not a hum. Sorry about that sandchris.....didn't mean to throw you off track with my earlier response, I'm going to blame it on my age :D
 

·
Registered
Joined
·
130 Posts
Discussion Starter #14
I'll have to try that next weekend. It's a real pain in the butt not having the machine nearby to work on. Can't really justify putting it on the trailer and towing it an hour back to home, just to troubleshoot a radio noise.

I didn't notice if the ticking varied with engine RPM, but the ticking was the main noise. I guess it's looking more and more like a power related noise? Perhaps tapping into the cigarette lighter power wasn't such a good idea. I know it wasn't the easiest to hook up, having to unscrew and pullback the dash. Am i heading towards a direct connection to the battery for both +ve and -ve? Is using chassis ground better or more acceptable than running a second length of wire back to the -ve terminal of the battery (in terms of noise elimination)? Is the chassis ground a good ground, given that the battery ground is connected to the engine rather than the chassis (and the engine sits on vibration mounts)?

Again, appreciate all the advice....
 

·
Registered
Joined
·
3,564 Posts
You might be ok if you added a ground from the battery to the frame. A few of us have had some ground issues for accessories that were fixed by adding a ground to the chassis from the battery. This was on 650 prowlers. But if it were me I would try what we have been talking about. And if it solves your problem then I would consider what or how I was gonna permanently wire wire it.



Never pay again for live sex! | Hot girls doing naughty stuff for free! | Chat for free!
 

·
Registered
Joined
·
130 Posts
Discussion Starter #17
RADIO UPDATE....

So, things still aren't going too well. I ran 2 wires direct from the batttery for power. Didn't bother to screw around with relays and the like at this point, wanted to see if it worked before I got too deep.

The result - no change. Still sounds crappy and ticks like a fast running clock. I'll probably switch the wires back to the original configuration, as my radio is now powered at all times. Not sure where to go from here, other than installing a power filter.
 

·
Registered
Joined
·
130 Posts
Discussion Starter #19
Thats a great idea, could certainly isolate whether it is a power related noise or not.....will give that a try .... next weekend
 

·
Registered
Joined
·
825 Posts
The popping noise is generated from your spark plugs/ ignition coils. Use resistor plugs of a good quality, I have CPRxx (Copper, Protusion, RESISTOR, Heat Range. ect)
 
1 - 20 of 29 Posts
Top