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What are these 87 trans am

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Old 07-15-2017, 07:16 PM
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Car: 86 t/a , 87 t/a
Engine: 305 tpi / 350 tpi
Transmission: 4 speed auto
What are these 87 trans am






Can someone please advise if they know what the following items/ relays are or function as ? Under dash of 87 trans am , cheers
Old 07-15-2017, 07:39 PM
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Car: 1984 Chevrolet Camaro Z28
Engine: 5.0 Liter 4-BBL V8 High Output
Transmission: 5-Speed Manual
Axle/Gears: 3.73
Re: What are these 87 trans am

10017711 RELAY ASM R/WDO DEFG
25071437 BUFF ASM

Not Sure What It Buffers,Maybe Another Member May Know.
Old 07-15-2017, 08:05 PM
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Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: What are these 87 trans am

gt4373 is right about rear defogger relay,the Yellow Buffer is a vehicle speed sensor.is there a P/N on the white relay?
Old 07-15-2017, 09:18 PM
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Car: 86 t/a , 87 t/a
Engine: 305 tpi / 350 tpi
Transmission: 4 speed auto
Re: What are these 87 trans am

Thankyou for the above replies , the yellow as mentioned , vehicle speed sensor , does it provide info to ecm , or to speedometer . The white one , maybe a headlight relay , would that be poss ? , cheers Luke , from down under
Old 07-15-2017, 10:16 PM
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Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: What are these 87 trans am

I'm almost certain the ECM is involved with the speed sensor. The headlight relays are under the hood.That relay could be the hatch release,Horn relay,Rear defroster timer relay,does it have a P/N on it?
Old 07-15-2017, 10:41 PM
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Re: What are these 87 trans am

It's got to be one of these!!click to make the pics bigger
Old 07-16-2017, 12:23 AM
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Re: What are these 87 trans am

Rear defroster relay. VSS Buffer. Power antenna relay. In that order.
Old 07-16-2017, 01:14 AM
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Car: 86 t/a , 87 t/a
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Transmission: 4 speed auto
Re: What are these 87 trans am

Thankyou , very much for the above replies , It saves hours of tracing out , cheers , Luke , west australia ,




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