Recently we have been receiving many calls regarding troubles with the Mack / KAR-TECH control system.  Regretfully, this is a Mack component, not a Telma component.  Please contact your local Mack dealer for warranty replacement. If you wish to replace the KAR-TECH control box with a Telma control system, please use the following information as a guide for a Telma solution:

You may also download a PDF of this information:
      TL106019 Mack-KAR-TECH Conversion Kit Parts List

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Mack/KAR-TECH Conversion to Telma control harness

Mack/KAR-TECH conversion to Telma Axial (frame mount) with BAC
QTY	P/N	Description
1	TID11014-P4	Axial (AC/AD) retarder harness
1	TID11022	cab harness
1	JC251100	speed switch
1	TIG11010	light bar
1	TID11012	air portion harness
2	TIB01017	BAC bracket
2	TIF05013	Bolt 1/2-13UNC x 1-1/2 Hex Head G5
2	TIF05014	1/2" split lockwasher
Mack/KAR-TECH conversion to Telma Focal with BAC, Wheelbase 227", 231"
QTY	P/N	Description
1	TID11014-P2	Focal retarder harness
1	TID11022	cab harness
1	JC251100	speed switch
1	TIG11010	light bar
1	TID11012	air portion harness
2	TIB01017	BAC bracket
2	TIF05013	Bolt 1/2-13UNC x 1-1/2 Hex Head G5
2	TIF05014	1/2" split lockwasher
1	TID11023	Extension harness for LEU (not needed for MRU)
Mack/KAR-TECH conversion to Telma Focal with BAC, Wheelbase 183", 187", 197", 210"
QTY	P/N	Description
1	TID11014-P3	Focal retarder harness
1	TID11022	cab harness
1	JC251100	speed switch
1	TIG11010	light bar
1	TID11012	air portion harness
2	TIB01017	BAC bracket
2	TIF05013	Bolt 1/2-13UNC x 1-1/2 Hex Head G5
2	TIF05014	1/2" split lockwasher
1	TID11023	Extension harness for LEU (not needed for MRU)
Mack/KAR-TECH conversion to Telma Focal with BAC, Dropframe Wheelbase 250"
QTY	P/N	Description
1	TID11014-P5	Focal retarder harness
1	TID11022	cab harness
1	JC251100	speed switch
1	TIG11010	light bar
1	TID11012	air portion harness
2	TIB01017	BAC bracket
2	TIF05013	Bolt 1/2-13UNC x 1-1/2 Hex Head G5
2	TIF05014	1/2" split lockwasher
1	TID11023	Extension harness for LEU (not needed for MRU)

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Order Parts

Pleaes contact us Toll Free at 800-797-7714 x2 for parts ordering.