Diagnostic Test and Repair Kit Jumper Wires included in this kit allow the technician to test individual circuits in-line to determine possible faulty terminals.. Factory crimped pigtails eliminates the need to purchase several expensive crimping tools.. Terminal tools included make it easier to properly remove terminals from connectors without damaging either the terminal or the connector.. Butt Splices are included: allow the technicians to make the necessary repairs to the defective circuit by splicing in a new pigtail.. Heat Shrink included has adhesive that seals the splice helping to prevent corrosion and loose circuits 520 Yes -