fuel level gauge question
#1
Staging Lane
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fuel level gauge question
since I havent been in the forum long enough to post where I want to I will post here, I am converting my 70 c10 to a 5.3, while im doing this i am also putting a Fbody fuel tank under my truck bed, my question is what are the ohm readings that the sending unit operate on? I need to know this because I need to know if I am going to need to get an aftermarket gauge or not
#6
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how would i run the gauge through the pcm
#7
TECH Veteran
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Follow the wiring diagrams. All LS cars use the PCM to control the gauge along with evap, etc. The 98 Camaros, Express Vans, and I believe some trucks have a fuel gauge wiring to the dash. If it does not you need to do the fuel segment swap to an express van or get somebody to turn it on in the software and run the output from the PCM to the gauge. From there it is just a matter matching the sending unit to the gauge. This works for any combination of sending unit and fuel gauge. Let me know what PCM you plan on using and I can point you in the right direction.
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#12
LS1Tech Sponsor
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Some of the senders are wired directly to the gauge cluster others come over serial data wire. Cluster schematics are on our site under instructions tab for free download. Adding more every day. If you need something specifically, let us know.
Jon
PSI
Jon
PSI
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