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1999 Chevrolet S-10 Pickup - Page 6 Questions & Answers
Security system 00 s10
The security, antitheft or lock picture/icon is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well.
http://vatspasslockpasskeysecurityhelp.yolasite.com/
Fuel pump testing
Yes the gray wire goes from the relay to the pump, and the black wire grounds the pump.I should tell you running the tank dry kills the pump. The pump uses liquid gasoline to cool and lube the pump. Running low on gas makes the pump work harder and hotter. Never run an electric pump below 1/4 tank of gas.While you have the pump out you should fix the gauge too if you can.
Fuel pump
Well the gray should be power from the pump relay and black is ground. You won't get anything if the pump is connected and running. It could be running but not pumping anything.
Can you do a resistance check on the pump circuit ?
1999 Chevrolet S-10 Check Engine Light
YEAH MAN I KNOW WHAT YOU ME, THOSE DARN COMPUTER ARE WAY TO SMART.. THERES NOTHING WRONG, BUT YOU CAN TAKE THE TRUCK TO A GM DEALER AND THEY CAN FLASH THE COMPTUER, BUT THE ONLY DOWNFALL IS THAT THE CHECK ENGINE LIGHT WILL NEVER WORK AGAIN.. SO ITS YOUR CALL..GOOD LUCK KEITH..
2000 chevy s10 4x4 wont engage
I have an 97 full size truck front differential has a electronic modulator / actuator in it, they burn out frequently. I bought a manual one to replace the electronic one cost $249.00. I hope this fixes your problem do not know if your 2000 S - 10 has one check it out
1991 Cadillac Sedan Deville Stuck in Park
This is common thing to happen. When you depress brakes there is a switch called Brake interlock solenoid that fails and when it does you can not get your car in gear.
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