What does Si mean on alternator?
The “SI” in the model number stands for Systems Integrated, meaning that the voltage regulator is inside of the alternator.
What is a Remy equipped alternator?
High-Output, High-Efficiency Delco Remy’s high-output alternators feature Remote Sense technology, which enables them to detect the actual charge in the battery and increase or decrease output as needed. As a result, they can charge the battery up to twice as fast as other alternators.
How do you check a Delco Remy alternator?
Heavy Duty Alternator
- Perform a visual inspection under the hood. Look at the belt tension andcondition.
- Visually inspect and test the batteries.
- Measure system voltage.
- Test alternator output.
- Troubleshoot using the service manual.
What is the difference between a 10SI and 12SI alternator?
While a DN-series alternator struggles to produce 40 amps, most 10SI alternators deliver a steady 63-amp power supply, and some 12SI units churn out a whopping 94 amps. Although pulleys are similar, a 10SI comes with a metal cooling fan, whereas the 12SI has a larger plastic fan.
What does S and L mean on an alternator?
S terminal – Senses battery voltage. L terminal – Closes the circuit to the warning lamp. B terminal – Main alternator output terminal (connected to the battery) F terminal – Full-field bypass for regulator.
What is a 10 Si alternator?
The 10Si series alternator was the first internal Regulator Alternator widely used by GM. The Si stands for Systems Integrated” which means the alternator has the voltage regulator built inside the alternator. As opposed to the earlier 10DN series alternator which was an externally regulated alternator.
How many volts does a Delco Remy 12si alternator have?
78 Amp Delco 12Si type compatible alternator. Aftermarket unit made with the best possible components, built to OEM specifications. 7294M-3N 94 Amp 12Si Series Alternator 94 Amp/12 Volt, CW, 3-Wire System. Lester Nos: 7272, 7272-3, 7273, 7273-3, 7294, 7294-3 170 Amp Delco Remy type 12Si series alternator with standard, internal voltage regulator.
How many Remy alternators are left in stock?
Only 11 left in stock – order soon. . Only 17 left in stock – order soon. . . Only 3 left in stock – order soon. . . Only 2 left in stock – order soon.
Which is the better alternator 10si or 12si?
The 12Si series alternator has the same outside dimensions as the 10Si series alternator (shown below) and will fit in it’s place without modification. The 12Si series alternator has several design improvements over the 10Si series that make it the better choice between the two.
Which is better Delco Remy brushless or brushless alternator?
Brushless alternators have fewer moving parts which results in less wear. What you end up with is long life and the warranty to back it. Delco Remy alternator technology is second to none. The enhanced efficiency ratings of our high output alternators provide fleets measurable fuel savings.