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AUX switch install

smcgillis10

By smcgillis10
in Modifications & Accessories

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Krey1500 Enthusiast

Krey1500

Posted
Posted

 

As far as I am aware there is only one "upfitter switch" which has 4AUX toggles. Those other part numbers just cover all the other variations of switch banks that control OEM truck options.

 

Below is a picture of what it looks like once you combine part #23145202 with #23145158 (upfitter).

 

I've been working on this for a long time and it's very difficult. Each switch does not have its own wires, rather they push buttons that are mounted on a circuit board inside the thing. If you look through my other thread it explains what I'm trying to do, I just haven't finished the project yet because it's so annoying.

 

AUX1 used to be "Lane departure warning"

AUX2 used to be "Exhaust brake"

 

I'm going to try using the signal from those two systems to trigger relays for the lights.

 

Here's where I'm at so far - two switch sets mixed together:

 

finishedswitch_zpsecf87229.jpg

Do you have the part number and website you ordered this switch set from? I have an sle with premium package so I have the tc cargo light pedals and parking sensors. The one u have seems like it will work with what I have
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Sffsks11
Sffsks11

So if everybody is wondering on how to install these auxiliary switches (GM Oem P# 23145158) without the GM upfitter diagram. I purchased the Bussmann 15303 - 5 it is a weather tight fused and relay b

tha_lildude
tha_lildude

I have just successfully fully integrated my AUX switches OEM style. My fuse block did not come with the relays or fuses, nor did it have connectors for them. I had to purchase a few new things.

AZelkhunter
AZelkhunter

Here are some pictures of the modified buttons. I had to remove all the black and white, then respray the white because you couldn't see the icon in the daylight. I am pretty happy with the way they

Posted Images

colton_m Enthusiast

colton_m

Posted
Posted

Do you have the part number and website you ordered this switch set from? I have an sle with premium package so I have the tc cargo light pedals and parking sensors. The one u have seems like it will work with what I have

 

The pictured switch set is not an off-the-shelf item. You have to buy part #23145202 and #23145158, then take them apart and combine them together. I just went to my GM dealers parts department and ordered both.

electricks New Member

electricks

Posted
Posted

Hi everyone!

First post!

 

I wanted to thank you all for this helpful post!

I am just waiting for the new switch to come in and will be doing this mod in a couple of days. Relay is already installed for my back up/high beam answer to the person behind you light.

 

One question. Has anyone tested to see if the dummy switch actually actuates a pin? Example, pin #3 is marked unused, yet I have a wire going to it currently I have hill descent (pin 4) and thought I would be able to move the pin location to the one the dummy switch activates if possible. If not, bye bye HDC!

electricks New Member

electricks

Posted
Posted

Disregard last question. I just got the switch in the mail today and see that the dummy switch is just that. Doesn't move at all.

smcgillis10 Enthusiast

smcgillis10

Posted
  • Author
Posted

Disregard last question. I just got the switch in the mail today and see that the dummy switch is just that. Doesn't move at all.

Yup. Don't push too hard or it'll break.

 

You don't even have to ask how I know that.

 

Sent from my Pixel XL using Tapatalk

  • 3 weeks later...
Sffsks11 Enthusiast

Sffsks11

Posted
Posted

What size wire went inside that connector was it 20 gauge or 18 gauge because I contacted GM parts at my local Chevy dealer and they said it just comes up as wire they didn't say anything about the size what type of connector

Grumpy Tooch Enthusiast

Grumpy Tooch

Posted
Posted

What size wire went inside that connector was it 20 gauge or 18 gauge because I contacted GM parts at my local Chevy dealer and they said it just comes up as wire they didn't say anything about the size what type of connector

I used 22
  • Like 1
Sffsks11 Enthusiast

Sffsks11

Posted
Posted

I used 20 gauge but the oem part i ordered has tue correct connectors on them but tje wire size is 18 which is strange becuase everything elese in tje dash is 20 gauge whitch apprently gm wants you you to keep guessing...

Sffsks11 Enthusiast

Sffsks11

Posted
Posted (edited)

So if everybody is wondering on how to install these auxiliary switches (GM Oem P# 23145158) without the GM upfitter diagram. I purchased the Bussmann 15303 - 5 it is a weather tight fused and relay box, took the wiring diagram that GM up fitter provides and did my own diagram. I also purchased the Pre- crimp wires to go into the back of the harness (GM OEM P#13575783). Made it much easier than trying to figure out what size connector it was. Purchased all parts needed from Delcity.com. Wire I purchased at my local Automotive Store 12 gauge for 20 amp, 14 gauge for 15 amp, 18 gauge from relay (pin 86) to switches. Works Fanstastic.

QTY

1 - 60 Amp Manual Reset circuit breaker Item# 76505

1 - Sealed Fused & Relay Panel 10 mini fuse & 5 Micro Relays Item# 15303543

2 - Mounting Brackets for 15303543 Item# 15303001

10 -15 mini fuses Item# 77155

10 - 20 amp mini fuses Item# 77205

8 - SPNO Ultra Micro ISO Relay 20 A, 12 V DC Item# 74981

10 - Green Cavity Plugs Item# 75042

20 - 12 Gauge Blue Cavity Seals Item# 75006

20 - 16-14 Gauge Grey Cavity Seals Item# 75004

20 - 20-18 Gauge Green Cavity Seals Item# 75002

20 - 14-12 Gauge Metri-Pack 280 Female Tangless Item# 12110845

20 - 16-14 Gauge Metri Pack 280 Female Tangless Item# 12129409

20 - 16-18 Gauge Metri Pack 280 Female Tangless Item# 12110847

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post-168054-0-78180000-1487905801_thumb.jpg

post-168054-0-34706500-1487906260_thumb.jpg

post-168054-0-71777100-1487906407_thumb.jpg

post-168054-0-78180000-1487905801_thumb.jpg

post-168054-0-34706500-1487906260_thumb.jpg

post-168054-0-71777100-1487906407_thumb.jpg

post-168054-0-78180000-1487905801_thumb.jpg

post-168054-0-34706500-1487906260_thumb.jpg

post-168054-0-71777100-1487906407_thumb.jpg

Edited by SFFSKS11
  • Like 6
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Static Enthusiast

Static

Posted
Posted

So I am new on here but I have been following this post and I have a question. What would pin 19 IECM be used for out of curiosity? Do is supply a varying voltage based on vehicle speed?

Sffsks11 Enthusiast

Sffsks11

Posted
Posted (edited)

So I am new on here but I have been following this post and I have a question. What would pin 19 IECM be used for out of curiosity? Do is supply a varying voltage based on vehicle speed?

not sure why you would have to touch the iecm at all while installing the axillary switches, all you are doing is using the existing harness on the back of the Traction control and cargo light. Your using empty pin slots 10 11 12 13.

post-168054-0-69955200-1488077314_thumb.jpg

post-168054-0-69955200-1488077314_thumb.jpg

post-168054-0-69955200-1488077314_thumb.jpg

post-168054-0-69955200-1488077314_thumb.jpg

Edited by SFFSKS11
  • Like 1
Static Enthusiast

Static

Posted
Posted

not sure why you would have to touch the iecm at all while installing the axillary switches, all you are doing is using the existing harness on the back of the Traction control and cargo light. Your using empty pin slots 10 11 12 13.

you have to get the appropriate power for your relay. Either accessory, start/run, or battery

Sffsks11 Enthusiast

Sffsks11

Posted
Posted

I just went directly off the battery to a 50 amp resetable breaker then of the load side of the breaker to the the bussman 15303-5 fuse/relay box on to the postive stud which is constant power for the mini fuses on one side and then all i did was run 18 gauge wire from pin #86 on the realy to the Auxiliary switch.

Sffsks11 Enthusiast

Sffsks11

Posted
Posted

I just went directly off the battery to a 50 amp resetable breaker then of the load side of the breaker to the the bussman 15303-5 fuse/relay box on to the postive stud which is constant power for the mini fuses on one side and then all i did was run 18 gauge wire from pin #86 on the realy to the Auxiliary switch.

Sffsks11 Enthusiast

Sffsks11

Posted
Posted

you have to get the appropriate power for your relay. Either accessory, start/run, or battery

I just went directly off the battery to a 50 amp resetable breaker then of the load side of the breaker to the the bussman 15303-5 fuse/relay box on to the postive stud which is constant power for the mini fuses on one side and then all i did was run 18 gauge wire from pin #86 on the realy to the Auxiliary switch.

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