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91 RS Hatch Latch Unit Inoperable, Not Getting Power, Suggestions?

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Old Aug 19, 2012 | 09:12 PM
  #1  
RS3's Avatar
RS3
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Joined: Aug 2012
Posts: 7
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From: Discovery Harbour
Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 700R4
91 RS Hatch Latch Unit Inoperable, Not Getting Power, Suggestions?

My 91 RS hatch doesnt shut all the way. It latches and opens with the key but I can lift it up a little and it wont shut all the way. I took off the interior panel and it looks like there is a pull down motor cause I see plastic tracks and a slider on the bottom of the latch mechanism. I tried testing it with a voltmeter, black probe to frame and red to all of the wires feeding into a black relay and all of the wiring harness connector ports. Couple wires got me 0.20V, the rest were cold. Read on some other forum posts that this could be fixed in a number of ways. How did you guys fix yours?
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Old Aug 26, 2012 | 10:31 PM
  #2  
lonsal's Avatar
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25 Year Member
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Joined: Dec 1999
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Re: 91 RS Hatch Latch Unit Inoperable, Not Getting Power, Suggestions?

Read the Tech Atricle I wrote. It will help you doagnose and repair your hatch pull-down unit.

https://www.thirdgen.org/tech/hatchpulldown.pdf

Good Luck, Lon
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Old Aug 26, 2012 | 10:37 PM
  #3  
Z28ricer's Avatar
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Joined: Jan 2001
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From: Tampa, FL, USA
Car: 93 240SX
Engine: LQ9
Transmission: T56
Axle/Gears: 3.54 R200 IRS
Re: 91 RS Hatch Latch Unit Inoperable, Not Getting Power, Suggestions?

Is the frame of the assembly bolted to the body plastic, or metal ?
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Old Aug 26, 2012 | 10:54 PM
  #4  
lonsal's Avatar
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25 Year Member
iTrader: (2)
 
Joined: Dec 1999
Posts: 5,964
Likes: 37
From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Re: 91 RS Hatch Latch Unit Inoperable, Not Getting Power, Suggestions?

Originally Posted by Z28ricer
Is the frame of the assembly bolted to the body plastic, or metal ?
Thanks for asking the question. We'll need to know if the frame is tan colored plastic or metal. THe instructions I sent are for the metal version.

Lon
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