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  1. Home
  2. Chevrolet Trucks
  3. 1991
  4. S10 Blazer 4WD
  5. Electrical

1991 Chevrolet Trucks S10 Blazer 4WD electrical parts catalog

Add this car in your garage and make future searches easy.

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12101893
  • Quantity in car: 1
  • Inline-to instrument panel harness (black) (1-way male) (with leads)
  • Usage: S1 (EXC AU3, A31, D48)

$8.05—8.66

Available in 2 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12117353
  • Quantity in car: 2
  • Usage: S1 (C42)

$9.44—18.58

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12102636
  • Quantity in car: 1
  • Inline-to instrument panel harness (natural) (4-way) (with leads)
  • Usage: S1 (ANL, Z49) (EXPORT)

$21.15—22.85

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 13583033
  • Quantity in car: 1
  • Usage: S1 (MD8, M30, D55)

$16.75—18.85

Available in 2 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12101828
  • Metri-packing 1-way, 150 series (inline-to engine harness)

$7.38—9.10

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12102621
  • Quantity in car: 1
  • Sensor-knock (gray) (1-way male) (with leads)
  • Usage: S1 (LL2)

$11.56—12.97

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12117385
  • Quantity in car: 1
  • Sensor-oxygen (black) (1-way f) (with leads)
  • Usage: ST1 (LL2)

$8.50—11.88

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12101870
  • Wiring harness (fuel pump module wiring)

$6.37—16.00

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 88987962
  • Quantity in car: 1
  • gen. (4-way female) (with lead) (with wires in cavities f, l, p & s)
  • Usage: ST1

$40.28—82.40

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12162343
  • Quantity in car: 1
  • Inline-to air conditioning harness (gray) (2-way male) (without leads)
  • Usage: S1 (C60)

$3.07—3.76

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12102568
  • Quantity in car: 1
  • Injector-fuel (natural) (2-way female) (with leads)
  • Usage: S1

$23.47—26.26

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12101896
  • Quantity in car: 1
  • Coil-ignition (gray) (2-way male) (with leads)
  • Usage: S1 (LL2)

$18.02—21.68

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12117387
  • Weather packing, 4 terminal, type 7 (with leads (distributor)

$25.15—49.80

Available in 38 shops

Add to cart

Connector (switch-back up lamp) (2.535) (acdelco #pt175), wiring harness engine (ll2/2.8r)

$14.61—17.75

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12101937
  • Quantity in car: 1
  • Coil-air conditioning clutch (gray) (2-way female) (with leads)
  • Usage: S1

$16.13—18.24

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12085488
  • Quantity in car: 1
  • Switch-engine coolant temp indicator (black) (2-way female) (with leads)
  • Usage: S1

$18.48—37.83

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12126458
  • Quantity in car: 1
  • Usage: S1

$21.91—43.07

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 88988301
  • Quantity in car: 1
  • Sensor-throttle position (black) (3-way female) (with leads)
  • Usage: S1 (LL2, ML3, C60)

$34.95—71.82

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12085502
  • Quantity in car: 1
  • Sensor-manifold absolute pressure (green) (3-way male) (with leads)
  • Usage: S1

$23.09—45.72

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12085499
  • Quantity in car: 1
  • Switch-engine oil pressure indicator (gray) (3-way female with leads)
  • Usage: S1

$25.51—30.26

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12085487
  • Quantity in car: 1
  • Motor-windshield wiper (black) (4-way female) (with leads)
  • Usage: S1

$16.87—18.16

Available in 2 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

$21.59—26.00

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12102619
  • Metri-packing mixed 4-way (with leads) (air conditioning control relay)

$21.59—26.00

Available in 38 shops

Add to cart

Connector, wiring harness engine (ll2/2.8r)

  • OEM part number: 12102747
  • Quantity in car: 1
  • Usage: S1

$0.36—19.03

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073991
  • Quantity in car: 1
  • Spark plug #5 cylinder (style aa, 26in)
  • Usage: ST1 (LB4), T1 (LB4, Z79)

$10.55—11.87

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12096420
  • Quantity in car: 1
  • Spark plug #5 cylinder (style s, 24in)
  • Usage: ST1 (LB4, L35), ST1 (06-16) (LB4, L35)

$0.92—12.08

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073991
  • Quantity in car: 1
  • Spark plug #3 cylinder (style aa, 26in)
  • Usage: ST1 (LB4), T1 (LB4, Z79)

$10.55—11.87

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12096420
  • Quantity in car: 1
  • Spark plug #3 cylinder (style s, 24in)
  • Usage: ST1 (LB4), ST1 (L35), ST1 (06-16) (LB4, L35)

$0.92—12.08

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073958
  • Quantity in car: 1
  • Spark plug #1 cylinder (style rear, 36in)
  • Usage: ST1 (LB4), ST1 (LB4, L35), ST1 (06-16) (LB4, L35)

$14.31—16.10

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12048976
  • Quantity in car: 1
  • Ignition coil (without conduit) (primary)
  • Usage: ST1 (LB4), ST1 (06-16) (LB4)

$27.72—129.30

Available in 38 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12090012
  • Quantity in car: 1
  • Ignition coil (primary)
  • Usage: ST1 (L35), ST1 (06-16) (L35)

$?

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12053452
  • Quantity in car: 1
  • Ignition coil (boot ends) (12") (secondary)
  • Usage: ST1 (LB4) (EXC CTF), T1 (16) (Z79)

$11.78

Available in 1 shop

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073996
  • Quantity in car: 1
  • Ignition coil (12") (secondary)
  • Usage: ST1 (LB4, CTF)

$?

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12074074
  • Quantity in car: 1
  • Ignition coil (secondary)
  • Usage: ST1 (L35, M30)

$12.17

Available in 1 shop

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12074088
  • Quantity in car: 1
  • Spark plug #6 cylinder (style j long, 26in)
  • Usage: T1 (LB4, Z79)

$29.58—33.28

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073991
  • Quantity in car: 1
  • Spark plug #4 cylinder (style aa, 26in)
  • Usage: T1 (LB4, Z79)

$10.55—11.87

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073992
  • Quantity in car: 1
  • Spark plug #4 cylinder (style aa, 28in)
  • Usage: ST1 (LB4)

$9.90—11.14

Available in 2 shops

Add to cart

Wire, spark plug wiring (lb4/4.3z)

  • OEM part number: 12073993
  • Quantity in car: 1
  • Spark plug #2 cylinder (style aa, 32in)
  • Usage: ST1 (LB4), ST1 (LB4, L35), ST1 (06-16) (LB4, L35)

$13.52—15.21

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (lb4/4.3z)

  • OEM part number: 19154583
  • Quantity in car: 1
  • Usage: ST1 (LB4, L35), ST1 (06-16) (LB4, L35)

$38.21—43.30

Available in 38 shops

Add to cart

Wire kit, spark plug wiring (lb4/4.3z)

  • OEM part number: 19171845
  • Quantity in car: 1
  • Usage: ST1 (LB4)

$34.99—38.32

Available in 38 shops

Add to cart

Wire, spark plug wiring (ll2/2.8r)

  • OEM part number: 12043626
  • Quantity in car: 2
  • Spark plug #4 cylinder (style dd, 26in)
  • Usage: S1 (LL2)

$9.17

Available in 1 shop

Add to cart

Wire, spark plug wiring (ll2/2.8r)

  • OEM part number: 12043620
  • Quantity in car: 1
  • Spark plug #2 cylinder (style dd, 28in)
  • Usage: S1 (LL2)

$10.42—11.72

Available in 2 shops

Add to cart

Wire, spark plug wiring (ll2/2.8r)

  • OEM part number: 12043626
  • Quantity in car: 2
  • Spark plug #1 cylinder (style dd, 26in)
  • Usage: S1 (LL2)

$9.17

Available in 1 shop

Add to cart

Wire kit, spark plug wiring (ll2/2.8r)

  • OEM part number: 88862446
  • Usage: S1 (LL2)

$30.29—86.90

Available in 38 shops

Add to cart

Wire kit, spark plug wiring (ll2/2.8r)

  • OEM part number: 19170839
  • Quantity in car: 1
  • Usage: S1 (LL2)

$35.81—77.28

Available in 38 shops

Add to cart

Wire, spark plug wiring (ln8/2.5e, l38/2.5a)

  • OEM part number: 12036972
  • Quantity in car: 1
  • Ignition coil
  • Usage: S1 (LN8, L38)

$11.26—12.68

Available in 2 shops

Add to cart

Wire, spark plug wiring (ln8/2.5e, l38/2.5a)

  • OEM part number: 12073986
  • Quantity in car: 1
  • Ignition coil (clip ends)
  • Usage: S1 (LN8, L38)

$12.91

Available in 1 shop

Add to cart

Wire kit, spark plug wiring (ln8/2.5e, l38/2.5a)

  • OEM part number: 88862414
  • Usage: S1 (LN8)

$27.25—57.71

Available in 38 shops

Add to cart

Wire kit, spark plug wiring (ln8/2.5e, l38/2.5a)

  • OEM part number: 88862430
  • Usage: S1 (L38)

$27.93—56.31

Available in 38 shops

Add to cart

Terminal, wiring harness instrument panel

  • OEM part number: 00459454
  • Quantity in car: 1
  • Instrument panel wiring harness ground
  • Usage: ST1, ST1 (06-16)

$?

Add to cart

Strap, wiring harness instrument panel

  • OEM part number: 12337820
  • A Service Bulletin Applies To This Part Number. Per Gm Service Policies And Procedures, Failure To Follow Bulletin Information May Result In The Rejection Of A Warranty Claim.

$1.10—2.09

Available in 39 shops

Add to cart

Strap, wiring harness instrument panel

$0.75—0.80

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12142579
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (Z70) (EXC U52)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12083653
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (03-16-53) (MD8, ML3, MW1, MY2, ML2) (EXC U52, ZR9, Z49)

$0.59

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12083654
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099852
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (MD8) (EXC U52, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099853
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (MD8, U52) (EXC Z49)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099856
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (MY2) (EXC U52, Z49)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099858
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (MY2, U52) (EXC Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099988
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MY2, U52) (EXC WX7, Z49)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12099989
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MY2) (EXC WX7, Z49, U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12121038
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (16) (Z79)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12121453
  • Quantity in car: 2
  • Instrument panel wiring
  • Usage: T1 (16) (Z79)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140147
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MD8, U52) (EXC WX7, Z49)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140148
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MD8, X88, Z88) (EXC U52, WX7, Z49, Z79), ST1 (06-16) (MD8) (EXC WX7, Z49, U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140157
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (Z70) (EXC U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140158
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (Z70, U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140184
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (ANL, Z70) (EXC Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12140966
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (M30, X88, Z88) (EXC U52, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12141365
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (ANL, Z70) (EXC Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12142575
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MY2) (EXC U52, VD1, Z49, 9B1)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12142580
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (U52, Z70)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12154677
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (M30, X88, Z88) (EXC U52, VD1, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156507
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MY2, U52, X88, Z88) (EXC WX7, Z49), ST1 (06-16) (MY2, U52) (EXC WX7, Z49, 9B1)

$21.41

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156508
  • Quantity in car: 1
  • Instrument panel wiring (with lead in cavity p in 11-way connect on fuse block)
  • Usage: ST1 (06-16) (M30, U52, X88, Z88) (EXC WX7, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156511
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (MY2, X88, Z88) (EXC U52, WX7, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156512
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06-16) (M30, X88, Z88) (EXC U52, WX7, Z49)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156515
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (M30, U52, Z70)

$21.75

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12156516
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: T1 (06) (M30, Z70) (EXC U52)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12116842
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (06) (MD8, Z49) (EXC U52) (EXPORT)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12116874
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (16) (MY2, Z49) (EXC U52) (EXPORT)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12116875
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (16) (MD8, Z49) (EXC U52) (EXPORT)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12116876
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (16) (MY2, U52, Z49) (EXPORT)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 12116877
  • Quantity in car: 1
  • Instrument panel wiring
  • Usage: ST1 (16) (MD8, U52, Z49) (EXPORT)

$?

Add to cart

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