Sears
Lighting

Model # 79988 Official Sears lighting system

Here are the diagrams and repair parts for Official Sears 79988 lighting system, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 12 parts  |

Transform A-0002
#9

Unit parts diagram

Transform

Part #A-0002

The manufacturer no longer makes this part, and there's no substitute part

Knob P-0002
#6

Unit parts diagram

Knob

Part #P-0002

The manufacturer no longer makes this part, and there's no substitute part

8w Bulb C-0001
#4

Unit parts diagram

8w bulb

Part #C-0001

The manufacturer no longer makes this part, and there's no substitute part

Stake G-0001
#8

Unit parts diagram

Stake

Part #G-0001

The manufacturer no longer makes this part, and there's no substitute part

Centr Head K-0001
#3

Unit parts diagram

Centr head

Part #K-0001

The manufacturer no longer makes this part, and there's no substitute part

Head H-0001
#5

Unit parts diagram

Head

Part #H-0001

The manufacturer no longer makes this part, and there's no substitute part

Cable SL-1050
#12

Unit parts diagram

Cable

Part #SL-1050

The manufacturer no longer makes this part, and there's no substitute part

Collar P-0001
#7

Unit parts diagram

Collar

Part #P-0001

The manufacturer no longer makes this part, and there's no substitute part

Cap L-0001
#1

Unit parts diagram

Cap

Part #L-0001

The manufacturer no longer makes this part, and there's no substitute part

Fuse F-100-6
#10

Unit parts diagram

Fuse

Part #F-100-6

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your fitness & exercise

Use the advice and tips in these articles and videos to get the most out of your treadmill.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…