Need help with S & W Magnum siren

[Pete L.]

I found this Smith and Wesson Magnum IVa siren.


It's real clean inside and I want to test it out.


Just like the old days, I'm not going in without back-up





The wires inside the unit are:


1-white


2-black


3-blue


4-unused


5-yellow


6-black


7-white


8-grey


I'm thinking that 1 is power, 2 is ground, 5 and 6 are speaker ??????


The model is M4A and the p/n is 506.


Please help


Pete

 

[Wailer]

I have the Magnum IVB, which is very similar to what you've got. It has a deep slow rising wail tone somewhat like my late 1960s Federal PA15A and PA20A sirens.


The pins on the back of the Magnum look similar to those on the PA20A. My Magnum IVB has a wiring harness attached to it, and it looks like the wires are in the same location as the PA20A.


For power, try connecting the red (positive) wire to pin 1 and the black (negative) wire to pin 2.


I believe the speaker connections are pins 5 and 6. 7 and 8 would be for a second speaker.

 

[Pete L.]

OK, Wailer, we were right.


1 is power and 2 is ground.


5 and 6 are for speaker.


The only thing I could get is yelp and pa.


The mike is missing the thumb button but I was able to activate


the switch to get pa.


No wail or manual.


I'll just have to trash it.


Pete

 

[crescentstar69]

Trash it? I hope you don't mean throw the whole thing away! PM me if you want to get rid of it.

 

[Pete L.]

Trash it? I hope you don't mean throw the whole thing away! PM me if you want to get rid of it.

PM is on the way.


Pete