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B&M 70248

B&M Dash Mounted Converter Lockup Controller GM Automatic Transmission

130-70248

made in usa
Free Shipping Ships

$218.99
B&M Dash Mounted Converter Lockup Controller GM Automatic Transmission $218.99
QTY
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?

    Narrow Results
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    1978 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: ALL

    1979-1981 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1990-1991 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA SPECIAL

    1976 CHEVROLET G20 VAN

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

    1971-1972 BUICK ESTATE WAGON

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

    1971 CHEVROLET CHEVELLE

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

    1976 BUICK SKYLARK

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

    1979 GMC CABALLERO

    • Liter: 3.3
    • SubModel: LAREDO
    • CUI: 200
    • EngineType: V6 ( 3.3 L / 200 )

    1978-1979 PONTIAC LEMANS

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

    1978-1979 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: BIG TEN

    1976 GMC C15 SUBURBAN

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

    1973 CHEVROLET EL CAMINO

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

    1988 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1982-1983 CHEVROLET CAPRICE

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

    1981 PONTIAC FIREBIRD

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

    1982 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1973-1974 PONTIAC FIREBIRD

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

    1981-1982 OLDSMOBILE DELTA 88

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

    1975 CHEVROLET IMPALA

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

    1979-1980 GMC K3500 PICKUP

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

    1980 PONTIAC CATALINA

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

    1980 OLDSMOBILE CUTLASS SUPREME

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

    1976 OLDSMOBILE CUTLASS

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

    1972 GMC C25/C2500 SUBURBAN

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

    1979-1980 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1979 GMC C2500 PICKUP

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

    1990-1991 GMC G25/G2500 VAN

    • Liter: 6.2
    • SubModel: RALLY
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1969 CHEVROLET C10 SUBURBAN

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

    1982 OLDSMOBILE CUTLASS CRUISER

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

    1987 PONTIAC SAFARI

    • EngineType: ALL
    • SubModel: ALL

    1984 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1969-1971 CHEVROLET K10 SUBURBAN

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

    1974 CHEVROLET C20 PICKUP

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

    1971 GMC G35/G3500 VAN

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

    1975 PONTIAC LEMANS

    • EngineType: ALL
    • SubModel: ALL

    1981 BUICK REGAL

    • EngineType: ALL
    • SubModel: SPORT

    1980 GMC C2500 SUBURBAN

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

    1979 GMC JIMMY

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1977-1979 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: ALL

    1972 GMC K35/K3500 PICKUP

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

    1975 CHEVROLET LAGUNA

    • Liter: 6.6
    • SubModel: S3
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 CHEVROLET CAMARO

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

    1974 GMC C1500 PICKUP

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

    1972 CHEVROLET EL CAMINO

    • EngineType: ALL
    • SubModel: CUSTOM

    1974 GMC K15/K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 CHEVROLET K10 PICKUP

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

    1976 CHEVROLET IMPALA

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

    1973 CHEVROLET EL CAMINO

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

    1980 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1974 GMC C15/C1500 SUBURBAN

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

    1977 PONTIAC GRAND PRIX

    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1975 OLDSMOBILE CUTLASS SUPREME

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

    1971 PONTIAC LEMANS

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

    1981 CHEVROLET C10 PICKUP

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

    1971 PONTIAC LEMANS

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

    1976 GMC C15 SUBURBAN

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

    1969 GMC C1500 PICKUP

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

    1973-1974 CHEVROLET MONTE CARLO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983 PONTIAC PARISIENNE

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

    1989-1990 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ESTATE WAGON

    1981 CHEVROLET C10 PICKUP

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

    1981 BUICK REGAL

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

    1977 OLDSMOBILE OMEGA

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

    1977 PONTIAC LEMANS

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

    1969 GMC K1500 PICKUP

    • CC: 5012
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V6 ( 5.0 L / 305 )

    1985 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1986 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1979 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1981 CHEVROLET IMPALA

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

    1981 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BONAVENTURE

    1977 OLDSMOBILE CUTLASS

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

    1979-1980 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1970 BUICK SKYLARK

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

    1985 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1987-1990 CADILLAC BROUGHAM

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 GMC G25/G2500 VAN

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

    1975 CHEVROLET LAGUNA

    • Liter: 5.7
    • SubModel: S3
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 OLDSMOBILE DELTA 88

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

    1981 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: BROUGHAM D'ELEGANCE

    1980-1981 BUICK CENTURY

    • EngineType: ALL
    • SubModel: SPORT

    1980 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1989 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1969 GMC K35/K3500 PICKUP

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

    1981 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1969 CHEVROLET C10 SUBURBAN

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

    1969 GMC C15/C1500 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1985 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1978 PONTIAC LEMANS

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

    1975 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: ALL

    1986 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET G10 VAN

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

    1978 PONTIAC LEMANS

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

    1979-1980 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1986 CHEVROLET C30 PICKUP

    • Liter: 6.2
    • SubModel: SILVERADO
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1971 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1976 PONTIAC LEMANS

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

    1977-1978 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1979-1981 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: HI-CUBE

    1980 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1976 CHEVROLET MALIBU

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

    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_10, d_20, h_19CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
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    • loc_en_US, sid_10001_10001_31944, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
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    Some parts are not legal for use in California or other states with similar laws / regulations

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    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.