2015–2020 Ford F-150

2015-2020 Ford F-150 - Jump Start

By Ray Delgado ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026

🔧 Easy 15–25 minutes $0 DIY

Save $80 by doing it yourself! Shop cost: $80

Quick answer: Jump Start on a 2015–2020 Ford F-150 is rated Easy and takes about 15–25 minutes. You'll need 3 tools for this job. This guide walks you through the full job step by step, including the mistakes to avoid.

Quick Video Tutorial

Step-by-Step Instructions

Follow these steps carefully

Position both vehicles safely

Park the donor vehicle close to the F-150 so the cables reach both batteries, but don't let the vehicles touch. Switch off the ignition and all electrical equipment on both vehicles, apply the parking brakes, and make sure the F-150's transmission is in Park.

Find the F-150's battery and ground point

Open the F-150's hood and locate the 12-volt battery. Ford explicitly warns not to use the hood latch as the negative connection point, because current through the latch can burn its springs and leave the hood unable to operate correctly.

Connect red to the F-150's positive terminal

Seat the clamp firmly on bare metal so it can't slip off when the engine vibrates. Keep the cable's free end and the black cable separated and clear of any metal while you make the remaining connections.

Connect the donor battery's terminals

Connect the other end of the red cable to the positive (+) terminal of the donor vehicle's booster battery, then connect the black cable to the negative (−) terminal of the donor battery. Double-check that red is on plus and black is on minus at the donor end. Do not let the clamps of one cable touch the clamps of the other at any point — a spark near a battery can cause severe injury from explosion or acid burns.

Ground the black cable on the F-150's engine

Again: never the hood latch. A small spark when the clamp bites is normal, and grounding on the engine keeps that spark safely away from hydrogen gas around the battery.

Rev the donor, then start the F-150

Start the donor vehicle and rev the engine moderately, holding 2,000–3,000 rpm as shown on the tachometer. Then try starting the F-150. If it cranks slowly, stop and let the donor keep charging a few more minutes — and never crank for more than 30 seconds at a time; wait two minutes between attempts so the starter can cool. If the starter spins but the engine won't catch, or a security light flashes, check that the key is recognized (try the spare) before assuming the jump failed — the issue may be the immobilizer rather than the battery.

🔧 Mechanic's note — Tom Becker

From my bay, Starter spins but nothing catches? Check the dash for a flashing security light before you blame the battery. A key the truck doesn't recognize will crank forever and never fire.

Stabilize, disconnect, and troubleshoot

Then disconnect in exact reverse order: black from the F-150's engine ground, black from the donor battery, red from the donor battery, and finally red from the F-150's positive terminal. Let the truck idle several more minutes, then drive 20–30 minutes so the battery recharges.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

• Using the hood latch as the negative connection point — Ford's manual specifically warns against this because the latch springs can burn and the hood may stop operating correctly.
• Clamping the final black cable near the fuel injection system instead of a plain exposed metal part of the engine away from it.
• Skipping the three-minute run time with both engines on before disconnecting — Ford's procedure calls for it to stabilize the charge.
• Cranking the starter for more than 30 seconds at a time; the manual says to wait two minutes between tries so the starter can cool.

Tools You'll Need

Jumper cables, 4-gauge or thicker Donor vehicle with a healthy charged 12-volt battery (to hold 2,000–3,000 rpm during charging) Safety glasses Work gloves Spare key (in case the immobilizer doesn't recognize the primary key)

⚠️ Safety First!

• Wear safety glasses and gloves; batteries contain sulfuric acid and emit explosive hydrogen gas.
• Do the cable steps exactly as described and never let the clamps of one cable touch the clamps of the other — a spark near a battery can cause explosion or acid burns.
• Keep hands, clothing, and cables away from the cooling fan and moving belts.
• Do not crank the engine for more than 30 seconds at a time; wait two minutes between attempts to let the starter cool.
• If the battery case is cracked, leaking, or swollen, do not jump — replace the battery.