NOS Delco Remy D1864 / GM 1993599 – NOS Courtesy Lamp / Door Jamb Switch (Group 1.800)
type: Unknown Type
Vendor: CorvairFarmer
Description:
NOS Delco Remy D1864 / GM 1993599 – NOS Courtesy Lamp / Door Jamb Switch (Group 1.800)
DELC0 REMY D1864 / GM 1993599
Courtesy Lamp / Door Jamb / Glove Box Switch
Group 1.800 — Body Electrical
This is the exact part from your photo — the white Delco Remy box with the red stripe, printed:
1993599 D1864
🔧 PART IDENTITY
| Attribute | Details |
|---|---|
| GM Part Number | 1993599 |
| Delco Remy Number | D1864 |
| Group | 1.800 (Body Electrical) |
| Type | Plunger‑style electrical switch |
| Function | Courtesy lamp / door jamb / glove box / trunk light switch |
| Construction | Metal body, threaded mount, spring‑loaded plunger |
| Era | 1960s–1970s GM |
🚗 FITMENT CHART — GM VEHICLES USING D1864 / 1993599
This switch was used across nearly all GM divisions because the courtesy‑lamp circuit was standardized.
CHEVROLET (1960–1977)
-
Impala / Bel Air / Biscayne
-
Chevelle / Malibu
-
Camaro
-
Nova
-
Corvette
-
C/K Trucks
-
G‑Series Vans
PONTIAC
-
Catalina
-
Bonneville
-
Grand Prix
-
LeMans / GTO
-
Firebird
OLDSMOBILE
-
Cutlass / 442
-
Delta 88
-
Toronado
BUICK
-
Skylark / GS
-
LeSabre
-
Electra
COMMON APPLICATIONS
-
Door jamb courtesy lamp switch
-
Glove box lamp switch
-
Trunk lamp switch
-
Under‑dash auxiliary switch
-
Panel illumination trigger
GM reused this switch heavily — it’s a universal body‑electrical component.
