Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Jeep Cherokee TrailhawkFACTORY OEM SERVICE PROCEDURE
Relay, In-Rush Current Reduction: Installation
- Position the In-Rush Current Relay (ICR) to the bracket.
- Install the screws (3) securing the ICR to the bracket and tighten securely.
- Connect and fasten the two terminal ends to the ICR, then tighten the two nuts (2) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
- Connect the wire harness connector (1) to the ICR.
- Connect the negative battery cable(s). Refer to INSTALLATION .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.