99 Suburban K1500

[Cokeman95]

Looks really good! So clean!

And it works much better than previously!

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[HotWheelsBurban]

Factory underhood box was 96-97 only I believe. @Z71Hobbs most likely has one all cleaned and looking better than new.

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Too bad you're so far away! What would you need to have for that underhood box and how much would the shipping cost be to Texas zip code 77477? Thanks

 

[Z71Hobbs]

Too bad you're so far away! What would you need to have for that underhood box and how much would the shipping cost be to Texas zip code 77477? Thanks

Check your messages. Trying to keep Cokeman’s Build thread free of unrelated items.

 

[Cokeman95]

Parts list as promised:

GM 52467204 - Air Distributor Upper Case

ACDelco 15-5737 - Mode Door

GM 52487131 - AC Control Lever

GM52487132 - Defroster Linkage

ACDelco 15-8788 - Blower Motor Resistor

Spectra 94483 - Heater Core

Four Seasons 54598 - Evaporator Core

Four Seasons 33219 - Receiver Drier / Accumulator

Four Seasons 38887 - Orifice Tube

ACDelco 1573627 (2) - Blend Door and Mode Door Actuators

ACDelco 1572106 - Recirc Door Actuator

Foam tape seal (2 packages) - replaced old weatherstripping around the vents and heater core

All the parts with the exception of the foam tape were bought on Amazon or Rockauto.

 

[Cokeman95]

Stopped by where my buddy works and got the AC charged today.

Took 3 attempts to find the correct O ring to eliminate an evaporator line leak but finally was able to pull a vacuum and charge it. We did put some dye in the system should any future leaks occur.

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[Cokeman95]

Beautiful day here so I washed the Suburban and the mother in law's Jeep.

The suburban is definitely not perfect but still cleans up fairly well.

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[Cokeman95]

Changed the oil @ 394k, topped off the other fluids, and changed the wiper pulse board this morning. Someone let all the magic out of the old circuit board.

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[Cokeman95]

Almost done with my relay center that will house accessory circuits(fog lights, reverse lights, etc) and put the headlights on relay power. Waiting on a couple connectors that should be here tomorrow, then it'll be ready to go in.

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[Cokeman95]

Got my relay box installed underneath the black box. Ran the power wires to the aux power studs on the fuse box. Grounds used an existed spot on the fender well from a previous wiring job. I used weatherpack connectors for the input and output signals from the relays. By doing this, I can remove the entire box pretty easily should I need to. If I did it again, I'd change a couple things but nothing major. I love how it cleaned up my wiring and there's not just random loose relays in the engine bay.

Accessory circuits now in the box
1) Low beams
2) High beams
3)Bumper lights
4) Reverse lights
5) Valance lights (factory GMT400 fog lights courtesy of @Z71Hobbs)
6) Open

I also installed a diode between the low and high beam circuits for the 4HI mod.

Anyway onto the pics

Under the black box

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Input wires

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Output connector

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All tucked under the bumper filler

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[Cokeman95]

Part of the old wiring this new box replaced. It was definitely not my best work.

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