Nov 23, 2013 · GM has many different alternators and each has its own alternator wiring diagram and alternator symptoms. One of the key differences is how the internal voltage regulator determines charge rate. Does it check the vehicle’s voltage internally or from an outside source? The PDF shown here is for a GM CS 130 and CS 144 alternator.
Jan 11, 2016 · The instrument cluster voltage regulator is an electronic component that is found on certain cars and trucks. As it’s name implies, it regulates the voltage to the vehicle’s instrument cluster ...
Over the years, GM has saved a bundle on manufacturing the 3.1L engine by using the production line tooling it originally developed for the 2.8L V6. By simply changing the bore diameter, the displacement of the same engine block could now be increased for more power and torque.
But, before you condemn it, run a voltage drop test between the alternator and battery. GM typically runs a fusible link wire between them for overload protection and they can go bad, mimicking a bad alternator. A voltage drop of .25 volts or less is Ok and the alternator is bad. A voltage drop of .5 volts or more means the wire is bad.
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Subject: Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output. Models: 1990-2009 GM Passenger Cars and Light Duty Trucks (including Saturn) 2003-2009 HUMMER H2, H3. 2005-2009 Saab 9-7X _____
I have a 96 5.7L Vortec Chevy Tahoe which I bought a month ago. I was checking the sensor values using an OBD2 connector and noticed that the MAP sensor is not producing good values. I see 28 kPA / 0.977 Volts when idle and 27.7 kPa / 0.918 Volts when throttle half open. Now what I am wondering:
Delco Remy (System Integrated) SI alternator were used on GM vehicles between 1969-1988. They were primarily used on vehicles between 1975-1985. Two of the most commonly used models were the 10SI and 12SI alternators.
Chevy CK Pickup 1990, Voltage Regulator by Standard®. Include Regulator. SMP's vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest... Designed to deliver trouble-free, consistent performanceRight for...