I took apart an older model electric hedge trimmer to clean off some
rust. While putting it back together, a white wire appeared
disconnected and I can't see any obvious place where it should be
The connections I have are these:
1. Power cord;
2. in to trigger switch with two black wires coming out;
3. in to the mystery component (possibly a filter?) with two black
wires and one white wire coming out;
4. white wire seems to be cleanly soldered on the end, and I'm not
sure where it should go;
5. the two black wires go in to a second safety switch, which must
also be depressed for the motor to operate; outputs from this go to
I believe the mystery component is a noise suppression filter. It
looks similar to this:
with input on the left, output on the right.
I appreciate any pointers on what is that white wire and where it
would often be connected. The end is quite straight and shows almost
no signs of use --- it looks quite pristine compared to the other
wires in the casing, and so I'm wondering if it was ever even
connected to anything.
I posted the response, below, and two pictures, back on 15 February
but never saw the full thread posted back to Google Groups. I'm
reposting the text of my response in hopes that --- if the pictures
haven't made it through --- then perhaps this will at least help.
[begin post from 15 February]
Thanks for all of the helpful questions. I'm including two pictures
showing the innards (one in this post, the second in a following
trimmer.0.jpg shows what I think is a noise suppression filter with
the white wire coming down at about "7:00" on the picture. Perhaps
you'll be able to see that two black wires coming from the [filter]
connect in to the (red) secondary switch.
trimmer.1.jpg shows the red secondary switch. The wires coming out of
that connect to the magnets, one of which you can see in this picture
at about "10:00" on the photo.
Does the trigger have push-in connections for the wires. No, it
doesn't. (I realize trimmer.1.jpg is a bit blurry, and there are two
areas that look like they might actually be push-in connections, but
they are the screws holding together the two sides of the switch.
Does the motor have two wires going to it. Yes. There are only two
wires coming from the red switch, and each goes to one magnet.
HR(Bob) asked about make, model, manufacturer, and age. It is an AEG
HES 65, made (I think) by AEG-TELEFUNKEN; I've contacted the current
embodiment of their company to no avail. The only difference between
the one I have and the advertisement at the link below is a safety
guard between the blades and where the model's right hand is.
Age? I'm not sure. That Rotarian magazine advertisement is from June
1981, so I'm guessing it's around there. There are no digital
components in this.
Thanks very much, everyone.
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