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06-30-2017, 03:18 PM | #1 |
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Join Date: Aug 2005
Location: Southern California
Posts: 241
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91 suburban gauge cluster temperature sender
I'm getting ready to drill and tap my passenger side head on my 5.3 and have a couple questions. I'm going to be using a 91 suburban cluster on my 78 Silverado.
Do I get a temperature sending unit for a 91 suburban or 78 Silverado? What size drill and tap do I need to buy? I've heard of people re threading the sender. Does any 1 know where I can get the sender re threaded for the LS head? Any help greatly appreciated. |
06-30-2017, 03:22 PM | #2 |
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Join Date: Mar 2012
Location: Woodbury, Ct.
Posts: 1,692
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Re: 91 suburban gauge cluster temperature sender
The sender has to match the gauge to read properly..I brought the sender for my 84 gauge to a local machine shop and they only charged me $10.00
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07-01-2017, 08:50 AM | #3 |
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,051
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Re: 91 suburban gauge cluster temperature sender
You can use a 3 wire camaro ls1 sender. It replaces the original truck 2 wire sender.
__________________
1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
07-01-2017, 01:41 PM | #4 |
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Location: Southern California
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Re: 91 suburban gauge cluster temperature sender
Thank you Rich.
Mario, let me see if I'm understanding this correctly. I can get a 3 wire sender and pigtail to eliminate having to drill and tap my passinger side head? I'm assuming the 3rd wire goes to my gauge? Would it read correctly? Would you happen to have part numbers? |
07-02-2017, 12:59 AM | #5 |
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
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Re: 91 suburban gauge cluster temperature sender
https://ls1tech.com/forums/conversio...t-numbers.html
Everything you should need is there. If you have a extra engine harness with a 3 wire oul pressure sensor wire you can use that plug on the tempature sending unit.
__________________
1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
07-02-2017, 01:01 AM | #6 |
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,051
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Re: 91 suburban gauge cluster temperature sender
Yes you remove the existing 2 wire and use the 3 wire sending unit in place of the 2 wire. the extra wire is for your gauge should be a green wire in your existing harness.
__________________
1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
07-02-2017, 10:52 AM | #7 |
Registered User
Join Date: Aug 2005
Location: Southern California
Posts: 241
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Re: 91 suburban gauge cluster temperature sender
Thank you Mario.
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