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wire harness
John Deere 4020 Diesel Main Wire Harness (Up To Serial #90,999 & Modified For Use With A 12 Volt Delco 10SI Alternator)
John Deere 4020 Diesel Main Wire Harness (Up To Serial #90,999 & Modified For Use With A 12 Volt Delco 10SI Alternator)
wire harness
wire harness
wire harness
wire harness
wire harness

John Deere 4020 Diesel Row Crop (Up to Serial #75,534) Complete Wire Harness (10SI Alternator/ Power Shift)

$515.50

#B3028-387, Complete Wire Harness for John Deere 4020 Diesel Row Crop (Up to Serial #75,534) Tractors

with Power Shift Transmission, Modified for use with a Delco 10SI/ 12-Volt Alternator

  • Made to Look Exactly Like the Original with Our Premium PVC Wire
  • Has the Correct Gauge, Color, Wire, & Fuse Holders (If Needed)
  • All Terminals are Soldered & Rubber Sealed
  • Each Wire Comes Numbered with an Installation Guide

Does not include battery cables & spark plug wire sets;
however, we can supply these as separate products.

Components:

Dash and Engine Harness (#B3028-152)

Neutral Safety Switch Harness (#B3028-193)

Lighting Harness (#B3028-101)

#B3028-387, Complete Wire Harness for John Deere 4020 Diesel Row Crop (up to Serial #75,534) Tractors

with Power Shift Transmission, Modified for use with a Delco 10SI/ 12-Volt Alternator

 

Replaces the Following John Deere Parts

#AR34278, AR47660 Main Harness (Dash & Engine)

#R33770 Neutral Safety Switch Harness

#AR26752 Switch to Fender Harness

#AR28289, AR26753 Switch to Rear Harness

#AR26575 Rear Harness

#AR27359 Fender Harness (2 Used)

#AR27656 Starter to Rear harness (Has Fuse Holder)

Weight 3.2 lbs
Dimensions 12 × 11 × 4 in

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