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Old 11-18-2013, 09:54 PM   #1
rs74
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What am I overlooking here.

I am revamping under the dash from all the previous people having there hands in there. Currently working on the cluster on my diesel K30. I have three lights left to plug in but only have homes for two of them. Does one of these go to the cluster. All the holes have the twist in bulbs with no wires running to them. One set is the glow plug light and the other is the fuel in water light. Not sure about the one that has a gray wire and pink with black stripe on it. Trying to figure out what this light is. Alot of these lights were unplugged when I tore into it or missing so I am trying to make it right.
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Old 11-18-2013, 11:32 PM   #2
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Re: What am I overlooking here.

Low coolant light in the speedo
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Old 11-19-2013, 12:05 AM   #3
86swb
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Re: What am I overlooking here.

Not sure but bumping you.
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Old 11-19-2013, 12:55 PM   #4
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Re: What am I overlooking here.

I think the 4x4 light might be worth a look, but that may be black and grey.
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Old 11-19-2013, 01:22 PM   #5
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Re: What am I overlooking here.

Do you have the backlight for the HVAC controls accounted for?

I'm thinking Glow Plug, Water In Fuel, and HVAC backlight...
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1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
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Last edited by 83GMCK2500; 11-19-2013 at 01:34 PM.
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Old 11-19-2013, 01:38 PM   #6
rs74
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Re: What am I overlooking here.

Quote:
Originally Posted by 83GMCK2500 View Post
Do you have the backlight for the HVAC controls accounted for?

I'm thinking Glow Plug, Water In Fuel, and HVAC backlight...
Yeah the heater control light is plugged in. The wires on it are only about four inches from the bulb to the where it ties into the big wiring loom. So it can't go to far. If I put a bulb in it then it stays on after the truck is running. I am sure there is a reason that it is on but without knowing what it is then I am not sure where to start.
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Old 11-19-2013, 04:10 PM   #7
motornut
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Re: What am I overlooking here.

does yours have a seatbelt light?
wipers?
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Old 11-19-2013, 04:32 PM   #8
ray_mcavoy
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Re: What am I overlooking here.

Quote:
Originally Posted by dpruim View Post
Low coolant light in the speedo
^ I agree.

The factory wiring diagrams show the following wire colors for the diesel specific lights:

Glow plugs = orange and black
Water in fuel = yellow w/black stripe and pink w/black stripe
Low coolant = gray and pink w/black stripe

The 4 wheel drive indicator light usually has pink w/black stripe and white wires. Although the diagrams show diesel with RPO MD8 automatic trans as having brown and white wires for the 4 wheel drive indicator.
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Old 11-19-2013, 08:21 PM   #9
83GMCK2500
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Re: What am I overlooking here.

Quote:
Originally Posted by ray_mcavoy View Post
^ I agree.

The factory wiring diagrams show the following wire colors for the diesel specific lights:

Glow plugs = orange and black
Water in fuel = yellow w/black stripe and pink w/black stripe
Low coolant = gray and pink w/black stripe

The 4 wheel drive indicator light usually has pink w/black stripe and white wires. Although the diagrams show diesel with RPO MD8 automatic trans as having brown and white wires for the 4 wheel drive indicator.
x2, now that I can look at a diagram. Diagrams located in member "hatzie"'s signature. Lots of .pdfs.

Only difference is this one says the yellow wire in the W-I-F lamp is solid yellow, not yellow w/black stripe.
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1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

My Introduction with my '83s History
New Daily, the '96
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