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Topic: Transistor with heat sink under dash

in Forum: C3 Electrical


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Transistor with heat sink under dash (1/3)
 2/5/20 10:43pm
BillHanna
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Cana, VA - USA

Vette(s):
1975 Stingray 71 350 engine Flat top pistons Sniper fuel injection Hyperspark ignition Vintage Air air conditioning Borgeson power steering box

Joined: 7/3/2016
Posts: 319

On my 75 Coupe behind the passenger side dash panel there is a heat sink with a transistor attached on it.  I'm just curious what this is for.  On mine it is disconnected so I removed it.

 



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Re: Transistor with heat sink under dash (2/3)
 2/5/20 11:46pm
NorskyLifetime Member
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Burke, VT - USA

Vette(s):
SOLD - "The Toy" - '70 Convertible
SOLD - "The Beast" - '90 ZR-1 (#682)
SOLD - "Betty" - '28 Ford Model A Tudor
Still have - "BLKBRRD" - '78 Pontiac Trans Am

Joined: 1/23/2002
Posts: 7191

It most likely was part of the original radio.  There was one in my '70 so would assume that the audio electronics hadn't advanced much by the time your car was built.



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Jim Olson 

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Re: Transistor with heat sink under dash (3/3)
 2/6/20 8:08am
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20129

What he said... That's the "amp" part of the factory radio. The space available for a radio in these cars was tight, so they had to separate the amp from the head unit.



|UPDATED|2/6/2020 5:08:12 AM (AZT)|/UPDATED|


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