Help Identifying Wiring
Thread Starter
Junior Member
iTrader: (33)
Joined: Mar 2009
Posts: 31
Likes: 2
From: Tallahassee FL
Car: 85 & 87 Monte Carlo SS/80 El Camino
Engine: 305/350/454
Transmission: 2004R, 2004R, TH400
Axle/Gears: 3:42, 3:73, 3:23
Help Identifying Wiring
I am in the process of converting from a 2.8 to a 350 in an 89 RS.
I bought the car not running and many of the wires were hacked up so i dont know what most are
The computer is gone and the motor has already been fired up so i have the basics figured out.
Can anyone identify the items listed in the pictures below so i know how to go about deleting or hooking them up. Just refer to a picture number and what is shown.
Hoping to get this drivable tomorrow night so any help would be appreciated.
Picture #1 Passanger side behind the radiator overflow.

Picture #2 Drivers side next to brake booster.

Picture #3 Passanger side by heater fan.

Picture #4 Drivers side front near steering box.

Picture #5 Drivers side near brake booster.
I bought the car not running and many of the wires were hacked up so i dont know what most are
The computer is gone and the motor has already been fired up so i have the basics figured out.
Can anyone identify the items listed in the pictures below so i know how to go about deleting or hooking them up. Just refer to a picture number and what is shown.
Hoping to get this drivable tomorrow night so any help would be appreciated.
Picture #1 Passanger side behind the radiator overflow.

Picture #2 Drivers side next to brake booster.

Picture #3 Passanger side by heater fan.

Picture #4 Drivers side front near steering box.

Picture #5 Drivers side near brake booster.
Thread Starter
Junior Member
iTrader: (33)
Joined: Mar 2009
Posts: 31
Likes: 2
From: Tallahassee FL
Car: 85 & 87 Monte Carlo SS/80 El Camino
Engine: 305/350/454
Transmission: 2004R, 2004R, TH400
Axle/Gears: 3:42, 3:73, 3:23
Supreme Member
iTrader: (3)
Joined: Jul 2004
Posts: 2,989
Likes: 9
Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: Help Identifying Wiring
#1 - If it's the small black box with red wires that you're looking at, it's the ECM and F/P fuse. Needed to run the engine.
#2 - F/P relay. Needed to run the engine.
#3 - High-speed blower relay - needed for the highest blower speed.
#4 - Can't tell. Where do the wires go.
#5 - A generic GM relay. If you tell me the wire colors, I can tell you what it does.
#6 - Another generic GM relay. Can't tell very well the wire colors, would need a close-up or wire color decription.
Hope this helps at least partially.
Lou
#2 - F/P relay. Needed to run the engine.
#3 - High-speed blower relay - needed for the highest blower speed.
#4 - Can't tell. Where do the wires go.
#5 - A generic GM relay. If you tell me the wire colors, I can tell you what it does.
#6 - Another generic GM relay. Can't tell very well the wire colors, would need a close-up or wire color decription.
Hope this helps at least partially.
Lou
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