Header-Background

B - Electrical TSBs

TSB/Doc No.

Date Issued

Applies To

Subject

Related
TSBs/Docs

Notes

Elec SI 4

Dec-71

Replacement of 4 & 3 Lead Lucas Alternator Regulators

Elec SI 8
74-B-2
75-B-3
Elec SS 5
76-B-2
76-B-4
76-B-9
80A/17

Elec SI 8

Jul-73

Alternator Regulator Connections

Elec SI 4
74-B-2
75-B-3
Elec SS 5
76-B-2
76-B-4
76-B-9
80A/17

74-B-2

Apr-74

Alternator Damage Diagnosis and Prevention

Elec SI 4
Elec SI 8
75-B-3
Elec SS 5
76-B-2
76-B-4
76-B-9
80A/17

75-B-1

May-75

Electronic Type Ignition System

75-B-3

Feb-75

Alternator Damage & Diagnosis

Elec SI 4
Elec SI 8
74-B-2
Elec SS 5
76-B-2
76-B-4
76-B-9
80A/17

75-B-5

Aug-75

Electric Cooling Fans

Up to approximately VIN 4500.

75-B-6

Aug-75

Air Conditioning Fuse Failure

75-B-6A
76-B-7

75-B-6A

Aug-75

Air Conditioning Fuse Failure

75-B-6
76-B-7

75-B-7

Sep-75

Rear Window Heater Switch

Elec SS 5

Nov-75

ACR Alternators Inbuilt Regulator Service Plan

Elec SI 4
Elec SI 8
74-B-2
75-B-3
76-B-2
76-B-4
76-B-9
80A/17

76-B-2

Feb-76

ACR Alternators Inbuilt Regulator Service Plan

Elec SI 4
Elec SI 8
74-B-2
75-B-3
Elec SS 5
76-B-4
76-B-9
80A/17

76-B-3

Jun-76

Elimination of Catalyst Service Warning Light

1975/76 California Models Only

76-A-5

Jun-76

Cross Reference European to U.S. Wire Sizes

76-B-4

Jul-76

Introduction of 23ACR and 25ACR Alternators

Elec SI 4
Elec SI 8
74-B-2
75-B-3
Elec SS 5
76-B-2
76-B-9
80A/17

Replaces TSB 76-A-8.

76-B-7

Sep-76

Air Conditioning Fuse Failure

75-B-6
75-B-6A

76-B-8

Oct-76

Brake Warning Light Relay

76-B-9

Oct-76

Alternators

Elec SI 4
Elec SI 8
74-B-2
75-B-3
Elec SS 5
76-B-2
76-B-4
80A/17

76-B-10

Oct-76

Servicing of Electronic Modules for In-Built Electronic Distributors

76-B-10C
77-B-4

76-B-10C

Dec-76

Servicing of Electronic Modules for In-Built Electronic Distributors

76-B-10
77-B-4

Part numbers for 1977 models.

76-B-11

Nov-76

Incorrect Positioning of Horn Relay

76-B-12

Nov-76

Emergency Starting by the Use of External Power Equipment

77-B-5

This TSB instructs NOT to use an external power source.  Follow up TSB 77-B-5 covers HOW to use an external power source to start the car.

77-B-1

Apr-77

Head Lamp Feed Wire Security

78-B-2
78-B-3
Headlamp Wiring

77-B-2M

Apr-77

Operation of Anti-Run On Control Valve

Written for the MGB, but same valve and operation on TR7 carburetor models.

77-B-2

May-77

Time Clock Clamp Brackets

77-B-4

Jun-77

Servicing of Electronic Modules for In-Built Electronic Distributors

76-B-10
76-B-10C

77-B-5

Jun-77

Emergency Starting Only with Use of External Equipment

76-B-12

77-B-6

Jul-77

Automatic Choke De-Icer Circuit

77-B-7

Jul-77

Thermal Cut-Out

77-B-8

Aug-77

Revised Panel Light Rheostat

Parts change at VIN ACW10700.

77-B-9

Aug-77

Revised Horn Relay

Parts change at VIN ACW10719.

77-B-10

Sep-77

Batteries

Covers charging procedures and battery types for various BL models.

77-B-11

Nov-77

Late 1977 and 1978 Wiring Diagrams

78-B-1

78-B-1

Jul-78

12 Fuse Wiring Diagram

77-B-11

78-B-2

Aug-78

Headlamp Operation

77-B-1
78-B-3
Headlamp Wiring

Refers to headlamp grounding issues.

78-B-3

Nov-78

Headlamp Actuator Motor

77-B-1
78-B-2
Headlamp Wiring

79-G-5

Apr-79

A.S.I. Radio Warranty

T80/013
ASI Service Manual

Includes radio troubleshooting info.

T80/007

Feb-80

AC Delco Distributor and Coil/Amplifier Unit

T80/025
T81/08
T81/20

T80/009

Mar-80

Installation of Fog Lights

Bosch Fog Lamp Install

80A/13

May-80

Oxygen Sensor Service Interval Counter

TR7 fuel injected  models only.

T80/013

May-80

Radio Installation TR7 30th Anniversary Edition

79-G-5
ASI Service Manual

80A/17

Jul-80

Alternator Damage - Fault Diagnosis

Elec SI 4
Elec SI 8
74-B-2
75-B-3
Elec SS 5
76-B-2
76-B-4
76-B-9

T80/020

Aug-80

Alternator Harness Routing

T80/023

Sep-80

Vehicle Electric Circuit Grounding

T80/024

Sep-80

Low Coolant Level Indicator System

T80/025

Sep-80

AC Delco Coil/Amplifier Unit

T80/007
T81/08
T81/20

T81/05

Jan-81

Headlamp Lift Mechanism Lubrication

79/Z/4

T81/06

Mar-81

Condensor Fan Operation

T81/07

Mar-81

Fuel Pump Electrical Feed (Oil Pressure Switch)

TR8 carburetor models only.

T81/08

May-81

AC Delco Electronic Ignition Coil/Module

T80/007
T80/025
T81/20

Parts change at engine no. CV30570.

T81/11

May-81

Constant Energy Ignition System Fitting

Covers replacement of Lucas 45 DE distributor with 45 DM.

T81/14

Jul-81

Battery Overcharge Condition

T81/19

T81/19

Oct-81

Battery Overcharging Condition

T81/14

T81/20

Nov-81

AC Delco Ignition

T80/007
T80/025
T81/08

Parts change at engine no. CV30570.

82-IB-60

Aug-82

Bulb Holders for Side Marker Lamps

Parts and Accessories Information Bulletin.

82-IB-98

Dec-82

Main Harness

Parts and Accessories Information Bulletin, TR8 carburetor models only.

Headlamp Wiring

Headlamp Circuit Wiring Diagram

77-B-1
78-B-2
78-B-3

Shows switch and relay terminal numbers.