12 Volt, A-Circuit, 14.0 Vset
For: Delco 10SI/Type 116, 20SI, 27SI/Type 200, 29SI, 30SI, 40SI
Series IR/EF Alternators
Replaces: Delco 1116389*, 1116406, 1116407, 1894489,
D669, D672
Note: 1-wire system, w/ webbed terminals, w/ stud.
*Web can be cut to change voltage setting.
For heavy duty version use D102HD-1.
24 Volt, A-Circuit, 27.5 Vset For: Delco 10SI/Type 116, 20SI, 21SI, 22SI, 26SI,
27SI/Type 200, 29SI, 30SI, 33SI, 34SI Series IR/EF Alternators
Replaces: Delco 1116404, 1116405, 1894460
Note: 1-wire system, w/ webbed terminals, w/ stud.
Factory set voltage - do NOT cut web.
S-series version of D30-1. CS-D27
24 Volt, A-Circuit, 27.5 Vset For: Delco 10SI/Type 116, 20SI, 21SI, 22SI, 26SI,
27SI/Type 200, 29SI, 30SI, 33SI, 34SI Series IR/EF Alternators
Replaces: Delco 1116388*, 1116404, 1116405, 1894460,
1987518**
Note: 1-wire system, w/ webbed terminals, w/ stud.
*Web can be cut to reset voltage.
**Use D32S-1 to replace Delco 1987518 regulator on 32 volt,
Delco 30SI w/ voltage adjustment block.
For heavy duty version use D104HD-1.
D30,D102HD,D21,D104HD,D30S,D27S