100 Series

Alternator & Starter Tester

FEATURES AND FUNCTIONS
This model is designed to function in a multitude of applications from auto parts jobbers & salvage yards to vocation and instructional institutions. The K150D tests both running alternators and starters with the same accuracy and performance you would expect to find in more expensive testers.

  • Digital volt and ammeter.
  • Test selector switch for starter or alternator test position.
  • Uses a 12 volt battery (not included) continuously, recharged during alternator testings. (GM alternators above 1986 require battery for testing).
  • Duplicates the circuitry found in an automobile.
  • Switch activates load for testing alternator. Dual load pre-set at 40 and 80 amps.
  • Indicator light for IC alts.
  • Field circuit protection-10 amp. fuse breaker, push to reset.
  • A minus and B plus field circuits.
  • Full field switch.
  • Tests all American alternators starters; tests all foreign made with additional harness leads.
  • 10 test leads for late models alternators.
  • 2 step pulley (3" and serpentine).
  • Testing of 6-12-24-32 volts (optional).
  • 5 HP, single Phase motor.
  • 230 volt, 60 Hz motor.
  • Dimensions: 18" wide x 2 1 " high x 24" deep.
  • Shipping weight: 100 lbs.

  • Available Accessories


    1. Adapter for side mount alternators Universal type K-Bracket K-351
    2. Adapter for alt Ford 8252 K-bracket 8252
    3. Test Leads (see/download chart in PDF format)

    Available documents

    From here you can download any of this documents to your computer:

    Lester Alternator Test Lead Chart

    K-150D Instructions Manual

    Calibration Procedures (PDF)

    K150 Interactive Operation Instructions (ZIP)
    Notice that this is a large (42mb) compressed PowerPoint file

    Available Service Parts

    K-150D

    PB K150ALUMINUM PANEL BOARD K-150
    SR 7P-2STAIN RELIEF SMALL
    PB K150SCSILK SCREEN K-150
    MC K150METAL CASE K-150
    SR 9P-2STAIN RELIEF LARGE
    4L-370V-BELT 37"
    4PK815SERPENTINE BELT
    543-2300KNOB POINTER
    05318BATTERY POST
    296-2857RESISTOR 10WATTS 50 OHMS
    970485QUICK CONNECTOR 4 WAY FEM
    HA-300-50SHUNT 300 AMP 50 MV
    BU-27CCLIP COOPER 40A
    BU-X15400-0STEEL CLAMP 400AMP BLACK
    BU-X15400-2STEEL CLAMP 400AMP RED
    DU-35DIGITAL VOLTMETER
    DU35-MVDIGITAL AMMETER
    LH3927CLAMP SMALL
    970495QUICK CONNECTOR 4 WAY
    67702SOLENOID 100 AMPS
    12-038CONN FEMALE 6 WAY
    MP10A 50RHEOSTAT 25 WATTS 50 OHMS
    P27B-RDPUSH BUTTON
    PULLEY K150 1 1/8PULLEY 3 & SERPENTINE
    VS K-016VISE FOR K-150 M
    2FB53-73TABSON ON SWITCH SPDT
    HKA271-73TABSSWITCH ON OFF TPST
    6FC53-73TABS(M) ON OFF ON(M) SWITCH SPDT
    6FB53-73TABSON ON(M) SW SPDT
    W58-XB1A4A-10FUSE BREAKER 10 AMPS
    1/2 ROMEX CONNCONNECTOR ROMEX 1/2
    PC K150PLASTIC COVER K-150 9 1/2 X 3
    111987HANDLE MOTOR SW 111894/889
    111889ON OFF MOTOR SW 2 POLE
    I 1045 HP MOTOT 220VAC 184T FRAME

    K-150DS

    I 1045 HP MOTOT 220VAC 184T FRAME
    4L-370V-BELT 37"
    4PK815SERPENTINE BELT
    543-2300KNOB POINTER
    05318BATTERY POST
    296-2857RESISTOR 10WATTS 50 OHMS
    970485QUICK CONNECTOR 4 WAY FEM
    HA-300-50SHUNT 300 AMP 50 MV
    BU-27CCLIP COOPER 40A
    BU-X15400-0STEEL CLAMP 400AMP BLACK
    BU-X15400-2STEEL CLAMP 400AMP RED
    DU-35DIGITAL VOLTMETER
    DU35-MVDIGITAL AMMETER
    LH3927CLAMP SMALL
    970495QUICK CONNECTOR 4 WAY
    67702SOLENOID 100 AMPS.
    12-038CONN FEMALE 6 WAY
    MP10A 50RHEOSTAT 25 WATTS 50 OHMS
    P27B-RDPUSH BUTTON
    970485QUICK CONNECTOR 4 WAY FEM
    VS K-016VISE FOR K-150 M
    2GK72-1-73TABS ON OFF SWITCH DPST
    2FB53-73TABSON ON SWITCH SPDT
    HKA271-73TABSSWITCH ON OFF TPST
    6FC53-73TABS(M) ON OFF ON(M) SWITCH SPDT
    6FB53-73TABSON ON(M) SW SPDT
    W58-XB1A4A-10FUSE BREAKER 10 AMPS
    1/2 ROMEX CONNCONNECTOR ROMEX 1/2
    186NS 3/8HANDWHEEL
    PC K150PLASTIC COVER K-150 9 1/2 X 3
    B1203-20-1RECTIFIER
    967-7155TRANSFORMER 115/220VAC TO 16 V
    PULLEY K1501 1/8 PULLEY 3 & SERPENTINE