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Need help installing old cassette deck...
#724121 May 31st 2017 12:00 am
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So this might be a little different and maybe not even possible. My brother found this old cassette deck at a garage sale and I'd love to add it to my G10. I am not sure where to start. Can I just splice the wiring into the car stereo harness? Here are some pics...I;d love to have this in my van because I have a cassette collection and what sounds better than tape!?

[Linked Image]

[Linked Image]


1989 G10 Chevy Van 2WD
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Re: Need help installing old cassette deck...
SirTimTim #724122 May 31st 2017 12:12 am
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The "D" plug is ground, top & bottom I would say are speaker & the right round would be 12V.


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Need help installing old cassette deck...
frscke1 #724124 May 31st 2017 12:43 am
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Originally Posted by frscke1
The "D" plug is ground, top & bottom I would say are speaker & the right round would be 12V.


How would I go about wiring it ? I have a newer style deck in it already that I'd like to keep and use with the cassette deck.


1989 G10 Chevy Van 2WD
Re: Need help installing old cassette deck...
SirTimTim #724127 May 31st 2017 9:27 am
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Remove the 2 screws that hold the plug in the deck. tap that wire harness.

Re: Need help installing old cassette deck...
frscke1 #724160 June 01st 2017 12:17 am
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Originally Posted by frscke1
Remove the 2 screws that hold the plug in the deck. tap that wire harness.


ok that makes sense. thanks!

I guess the wiring harness is all output...thx! forum for the win!

Edit: Anybody know where to find those "D" shaped connectors?

Last edited by SirTimTim; June 01st 2017 12:36 am.

1989 G10 Chevy Van 2WD
Re: Need help installing old cassette deck...
SirTimTim #724161 June 01st 2017 12:43 am
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Wow. A "Laugh-a-lot". That's what we called them. If you are hell bent on getting it to work, there's a place in Redondo beach that restores units like this. They did a 8 track player for my Bonneville.


Tucson-it's a dry heat...like an oven
Re: Need help installing old cassette deck...
SirTimTim #724199 June 01st 2017 4:41 pm
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"Laugh-a-lot"... That's great. lol


[Linked Image from farm3.staticflickr.com]
Re: Need help installing old cassette deck...
Hasan Ben Sobar #724294 June 03rd 2017 1:45 am
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Originally Posted by Hasan Ben Sobar
Wow. A "Laugh-a-lot". That's what we called them. If you are hell bent on getting it to work, there's a place in Redondo beach that restores units like this. They did a 8 track player for my Bonneville.


It actually does work! I should probably attend to other problems first....but gotta have tunes!


1989 G10 Chevy Van 2WD
Re: Need help installing old cassette deck...
SirTimTim #725198 June 30th 2017 1:34 pm
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You're going to have a hard time getting both to work on the same set of speakers. The reason for this is the cassette deck you have here uses a 'common ground' speaker output and any aftermarket deck made in the last 30 years or so will use separate wire pairs for each speaker.

In a common ground system the (-) speaker terminals would be connected together and then connected to the ground on the deck, and the amplifier would send an output signal on the two positive wires like is says on the back plate.
In modern stereos the amplifier needs to have each set of speaker wires separate or you'll cause damage to the internal amplifier pretty quickly (and it sounds really terrible).
The difference is that the old stereo would only modulate the (+) wire with the music and the (-) was a reference, whereas new amplifiers use a 'push/pull' configuration that modulates both wires to get much more output and efficiency.

Don't worry though! You can still make it work. The most simple way would be to dedicate a pair of speakers for your cassette, and another to your other stereo. Maybe a set of in dash speakers for one and door speakers for the other.

You'll want to keep in mind the warning on the back saying to use 8 ohm speakers only. Aftermarket speakers are going to be 4ohms, and that will cause damage to your cassette player. You have two options here; you can put 2 4-ohm speakers in series to create an 8 ohm load on the stereo, which would mean you have 4 speakers total - 2 left and 2 right, OR you can use speakers designed for home theater use since they are almost always 8 ohm.

Hope this answers your original question!



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