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B&M Dash Mounted Converter Lockup Controller GM Automatic Transmission

B&M 70248

130-70248

made in usa
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B&M Dash Mounted Converter Lockup Controller GM Automatic Transmission $214.99
Dash Mounted Converter Lockup Controller
  • GM GM TH700, 200, 200-4R, 350 and 4L60 Automatic Transmissions
  • With Lockup Converter & OEM Electronic Analog Speedometer
  • Includes Speed Controller, Electrical Connectors, Instructions

  • B&M 70248 Details

    Converter Lockup Controls

  • Pulse Rate: 40 ppm
  • Lockup at any speed between 30-90 mph
  • LED indicates locked or unlocked

    Note: Not legal for sale or use on pollution-controlled vehicles.

  • Specifications:

    Indicator Light Included
    Yes
    Manual Override Switch Included
    Yes
    Quantity
    Sold as a kit
    Speedometer Sender Style
    Electronic
    Manufacturer's Part Number:
    70248

    For use on GM transmissions, these converter lock-up controllers prevent converter lock, unlocks cycling and governs lock-up at speeds ranging between 30 and 90 mph. Designed to eliminate premature, unwanted converter lockup so you can avoid engine lugging and spark knock. In addition, you can use the controller for converter lock-up operation when converting a non-lockup equipped vehicle to a lock-up style transmission and converter.

    Features:
  • Prevents Lockup at Highway Speeds for Fuel Economy.
  • LED Indicator for Converter Locked/Unlocked.
  • Fits GM TH200, TH350, TH700R4, 4L60, 200R4 Transmissions.

  • Does B&M 70248 fit your vehicle?

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    Aspiration

    1976 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1975 OLDSMOBILE DELTA 88

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1990-1991 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1988 PONTIAC SAFARI

    • EngineType: ALL
    • SubModel: ALL

    1984 GMC CABALLERO

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1981 OLDSMOBILE DELTA 88

    • EngineType: ALL
    • SubModel: HOLIDAY

    1979-1980 GMC G25/G2500 VAN

    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976-1980 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: ALL

    1977-1978 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1984 GMC CABALLERO

    • Liter: 3.8
    • SubModel: DIABLO
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981 BUICK LESABRE

    • EngineType: ALL
    • SubModel: BASE

    1989-1991 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1976 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975 OLDSMOBILE DELTA 88

    • EngineType: ALL
    • SubModel: ROYALE

    1976 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1981 BUICK CENTURY

    • EngineType: ALL
    • SubModel: SPORT

    1969-1970 CHEVROLET K10 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1970-1971 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 GMC G25/G2500 VAN

    • Liter: 5.0
    • SubModel: VANDURA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 PONTIAC TEMPEST

    • CC: 4098
    • Liter: 4.1
    • Aspiration: N
    • SubModel: SAFARI
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1983-1986 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: ALL

    1983-1984 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1979 GMC CABALLERO

    • Liter: 3.8
    • SubModel: DIABLO
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980 BUICK LESABRE

    • EngineType: ALL
    • SubModel: BASE

    1977 OLDSMOBILE OMEGA

    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1991 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1972-1973 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971 CHEVROLET MONTE CARLO

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977-1978 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1981-1982 OLDSMOBILE DELTA 88

    • CC: 3800
    • Liter: 3.8
    • SubModel: ROYALE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976 CHEVROLET IMPALA

    • Liter: 7.4
    • SubModel: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1984 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    1969-1971 CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1969-1971 CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1984 GMC CABALLERO

    • Liter: 5.0
    • SubModel: AMARILLO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 GMC K35/K3500 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 4.3
    • SubModel: BROUGHAM
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1990-1991 GMC G25/G2500 VAN

    • Liter: 5.0
    • SubModel: VANDURA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 OLDSMOBILE DELTA 88

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1975 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: ESTATE WAGON
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1974 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET EL CAMINO

    • CC: 7441
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 PONTIAC VENTURA

    • EngineType: ALL
    • SubModel: ALL

    1972 CHEVROLET G20 VAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1977-1978 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1988-1990 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: ALL

    1986 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET IMPALA

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1982 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1979 GMC CABALLERO

    • Liter: 4.4
    • SubModel: DIABLO
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1972 BUICK LESABRE

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975 BUICK APOLLO

    • Liter: 4.3
    • SubModel: SR
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1976-1977 OLDSMOBILE OMEGA

    • Liter: 5.7
    • SubModel: F85
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1991 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: WT

    1975 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 CHEVROLET S10 PICKUP

    • Liter: 2.0
    • SubModel: TAHOE
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1981 CHEVROLET CAPRICE

    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: LANDAU

    1972 BUICK SPORTWAGON

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 GMC C1500 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1981-1982 OLDSMOBILE DELTA 88

    • Liter: 4.3
    • SubModel: ROYALE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1972-1973 CHEVROLET K20 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: SPORT

    1974 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: ESPRIT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 PONTIAC ASTRE

    • EngineType: ALL
    • SubModel: BASE

    1969-1971 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    1980 CHEVROLET K20 SUBURBAN

    • Liter: 4.8
    • SubModel: CUSTOM DELUXE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 GMC CABALLERO

    • Liter: 5.7
    • SubModel: AMARILLO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 GMC K35/K3500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1972-1974 OLDSMOBILE CUTLASS

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972-1974 CHEVROLET BLAZER

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1982 OLDSMOBILE DELTA 88

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971 CHEVROLET CHEVELLE

    • CC: 4098
    • Liter: 4.1
    • SubModel: CONCOURS
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 PONTIAC CATALINA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: SILVERADO
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 OLDSMOBILE CUTLASS CALAIS

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET EL CAMINO

    • CC: 5737
    • Liter: 5.7
    • SubModel: SS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BASE

    1974 CHEVROLET C20 PICKUP

    • CC: 7441
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 PONTIAC VENTURA

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1971 CHEVROLET G20 VAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982-1983 BUICK REGAL

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1980 GMC G25/G2500 VAN

    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: CLASSIC ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985 GMC SAFARI

    • EngineType: ALL
    • SubModel: ALL

    do you guys have a kit that can make my th350 out of my 77 chevy a lock up style or is that not possible with out a swap to a th350c

    Asked by: dmech
    No, you will need to swap in a TH350C or even think about a 700R4 upgrade.
    Answered by: Rusty B
    Date published: 2018-05-17
    • y_2018, m_8, d_15, h_22CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_31944, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Some parts are not legal for use in California or other states with similar laws / regulations