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Fuel and engine temp gauges out/ battery light on
1999 Chevrolet S10

Fuel and engine temp gauges out/ battery light on

(1999 Chevrolet S10)
My engine temperature gauge and fuel gauge are out and i cant figure out whats wrong. Also my battery light is on and the battery is fine. Can anyone help me?
4 answers & 6 comments
Popular Answer
on May 31, 2014
I have a 99 s10 2.2 5 speed. I had the exact same problem. There is a connector under the driver side dash that is not plugged up to anything. There is supposed to be a splice cap on this connector. It is the data line coming from the cluster. If you don't have a splice cap, or don't know what it is, you can cut all 4 wires and simply connect them all together. This solved my cluster issue.
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on January 20, 2015
where is this splice cap? i have a security light on 24/7 and when running the fuel gauge , temp not working, battery light on but its charging, abs, airbag, and sometimes the seatbelt light flashes
on April 14, 2015
Did you figure it out? I have the same problems with the lights and gauges, idk what else to do
on December 30, 2016
1999 s10:head gasket leak:flushed engine & cooling system:replaced oil,water:went 2 start 2 add blue devil repair.truck wouldn't start;battery guage works.,all other guages don't???couldn't find loose or disconnected wires???
General Diagnosis
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on May 31, 2014
I have a 99 s10 2.2 5 speed. I had the exact same problem. There is a connector under the driver side dash that is not plugged up to anything. There is supposed to be a splice cap on this connector. It is the data line coming from the cluster. If you don't have a splice cap, or don't know what it is, you can cut all 4 wires and simply connect them all together. This solved my cluster issue.
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on January 20, 2015
where is this splice cap? i have a security light on 24/7 and when running the fuel gauge , temp not working, battery light on but its charging, abs, airbag, and sometimes the seatbelt light flashes
on April 14, 2015
Did you figure it out? I have the same problems with the lights and gauges, idk what else to do
on December 30, 2016
1999 s10:head gasket leak:flushed engine & cooling system:replaced oil,water:went 2 start 2 add blue devil repair.truck wouldn't start;battery guage works.,all other guages don't???couldn't find loose or disconnected wires???
on August 12, 2010
I just fixed lots of issues on a 2000 S10 that were related to a bad power connection from one of the two underhood 50A feeds to half of the interior fuse box. Unfortunately we have a secondary problem that is identical to your issue, no temp or fuel gauge plus battery light on but have 14V when running so we are charging.
I am leaning towards a regulator on the cluster but haven't done all my homework yet. Any feedback would be welcome.
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on October 07, 2010
Same issues. Have replaced cluster, pcm, ignition electrical with known good parts. find no issues with voltage, grounds, continuity or shorts. At wits end!?
on March 22, 2017
I have a 1998 GMC Jimmy 4.3L, automatic with select 4 wheel drive. I had the battery light, low fuel light come on, the fuel gauge went to empty, and the coolant temperature gauge dropped to the lowest reading. After hours of testing circuits and scanning the system. I discovered that the 4WD Fuse #15 10A, located in the I/P fuse block (left side of the dash) was blown. Not thinking this had anything to do with my problem I still replaced the fuse, and whala, the battery & low fuel light went out, the gauges started to work!!! I know it sounds like BS but it's true. Now I have to locate the short to ground that keeps blowing the fuse.. I hope this helps guys.
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on May 19, 2017
Hello and thank you for posting this it just helped me out a lot. But have you found out the fix for this problem yet? I have a 2000 blazer 4.3 with this same issues. Yesterday I replaced the 4x4 fuse 10 AMP #15 as it was blown like u said. Today it has already blown again. I must say that this is puzzling?? It also seems to effect the digital shift indecator that tells u what gear u are in on the collum too. The car still runs as it should and every thing else still works I dont understand it.
on May 20, 2017
The next step to this problem is locating the short to ground.. I suggest making a primitive circuit breaker. Using a old style turn signal flasher stat, #552, solder to wires to the two terminals and two mini spades to the ends of the wires. This will allow you to replace the fuse with the make shift circuit breaker. With the unit plugged in and the key on, you can now trace the short without damaging the circuit and constantly blowing the fuses. I would start with unplugging the front drive shift actuator, then the transfer case shift module. I hope these suggestions help. Carl L Hamann ASE Master Certified Technician/Automotive Instructor
on December 06, 2017
Had same problem. It started same way then got worse. Come to find out wiggling the bat cables temporarily fixed it. Even tho the ends look good on the outside the wires were corroded under the insulation. I cut them put new ends on an BAM! GAUGES NEVER MESSED UP AGAIN. on a different zr2 it was the ignition switch. Take off bottom cover on Colum locate plastic box (ignition switch) turn key on and tap gently with plastic screwdriver. If GAUGES start working don't get excited until you replace it. If that fixes it it will only be temporarily. Hope this helps
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