LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Land Rover >> 1993 >> Defender 110 (LD) V8-3.9L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - HVAC >> Control Module HVAC >> Locations
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Module HVAC: Locations

Relay Locations:





LEGEND

Behind instrument Binnacle.
1 Rear screen relay module HR4.
2 Voltage sensitive switch relay module SC2.
3 Engine/brake warning light check unit WL1.
4 Water temperature signal conditioner WT2.
5 Service reminder unit EM1.
6 Inertia switch EF9.

Adjacent dash fuse box.
7 Flasher/hazard unit DF5.
8 Wiper delay unit FW3.
9 Starter relay module ST6.
10 Lighting relay module LS2.
11 Evaporator relay module AC3.
12 Compressor relay module AC9.
13 Main relay module AC1.

RH toe box area.
14 Condenser fan timer AC7.
15 Fuel pump relay module EF8.
16 Main MFI relay Module EF6.
17 Diagnostic relay module MF16.
18 MFI ECM unit ECM.

RH upper dash area.
19 Warning buzzer unit AW6.
20 Front screen timer HF4.
21 Front screen relay module HF3.