1978 Jeep J20 Electrical, Lighting and Wiring Parts

4,939 products fit your

1978 Jeep J20

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1978 Jeep J20

Products

-22%

Tuff Stuff |

#7457139FU6

Tuff Stuff 7139FBULL6 Alternator, 100 AMP, OEM Or 1 Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black

$190.99

/each

$246.80

-22%

Tuff Stuff |

#7457140AU6

Tuff Stuff 7140ABULL6 Alternator, 140 AMP, OEM Or 1 Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$262.99

/each

$341.07

-22%

Tuff Stuff |

#7457140FU6

Tuff Stuff 7140FBULL6 Alternator, 140 AMP, OEM Or 1 Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black

$217.99

/each

$282.06

-34%

Tuff Stuff |

#7457127D6

Tuff Stuff 7127D6 Alternator, 100 AMP, OEM Or 1 Wire, 6 Clocking

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$126.99

/each

$194.34

-31%

Tuff Stuff |

#7457127NKB6

Tuff Stuff 7127NKB6 Alternator, 140 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Black powdercoated

$169.99

/each

$246.80

Headlight & Taillight Wiring Diagram

Check out this headlight wiring and taillight wiring diagram.

Steering Column Wiring Guide

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Grounding the Electrical System

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

Camaro RS Parking Lamp Assembly

Learn how to install 1970-73 RS Camaro reproduction parking lamps and how to overcome some obstacles during the installation.

-22%

Tuff Stuff |

#7457139AU6

Tuff Stuff 7139ABULL6 Alternator, 100 AMP, OEM Or 1 Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$214.99

/each

$278.84

-30%

Tuff Stuff |

#7457127K6

Tuff Stuff 7127K6 Alternator, 140 AMP, OEM Or 1 Wire, 6 Clocking

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$159.99

/each

$230.78

Intellitronix |

#188AUR1001

Intellitronix AUR1001 6 Gauge Universal Gauge Panel, Aurora

Gauge Series:

Analog

Gauge Style:

Electric

Gauge Set Design:

Dash Cluster

$1,039.95

/each

$282 Off

Holley |

#425550659

Holley 550-659 Dominator EFI Kit, LS2 Main Harness, GM, EV1

Data Acquisition Replacement Component Type:

Dominator ECU - ECM - VCM

Sold in Quantity:

Kit

$3,599.95

/kit

$3,881.95

-22%

Tuff Stuff |

#7457139BU6

Tuff Stuff 7139BBULL6 Alternator, 100 AMP, OEM Or 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$194.99

/each

$252.95

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1978 Jeep J20 Electrical, Lighting and Wiring Parts

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Products

Tuff Stuff 7139FBULL6 Alternator, 100 AMP, OEM Or 1 Wire, Black

Tuff Stuff 7140ABULL6 Alternator, 140 AMP, OEM Or 1 Wire, Chrome

Tuff Stuff 7140FBULL6 Alternator, 140 AMP, OEM Or 1 Wire, Black

Tuff Stuff 7127D6 Alternator, 100 AMP, OEM Or 1 Wire, 6 Clocking

Tuff Stuff 7127NKB6 Alternator, 140 AMP, OEM Or 1 Wire

Related Articles

Tuff Stuff 7139ABULL6 Alternator, 100 AMP, OEM Or 1 Wire, Chrome

Tuff Stuff 7127K6 Alternator, 140 AMP, OEM Or 1 Wire, 6 Clocking

Intellitronix AUR1001 6 Gauge Universal Gauge Panel, Aurora

Holley 550-659 Dominator EFI Kit, LS2 Main Harness, GM, EV1

Tuff Stuff 7139BBULL6 Alternator, 100 AMP, OEM Or 1 Wire