Honda Ridgeline Fuse Box Locations and Diagrams (2017-2026)

The second-generation Honda Ridgeline (Model Codes: YK2, YK3) has been available from 2017 to 2026. Known for its unique unibody construction, versatile truck bed with an in-bed trunk, and smooth ride quality, the Ridgeline stands out as a practical yet innovative midsize pickup truck in Honda’s lineup.

In this article, you will find fuse box diagrams for the Honda Ridgeline, covering model years 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026. These diagrams are essential for understanding the fuse layout, helping you locate, check, and replace fuses and relays that power various systems in the vehicle.

What’s Included:

Fuse Box Diagrams – Detailed layouts showing the position of fuses and relays.
Fuse Panel Locations – Guidance on where the fuse panels are located inside the Honda Ridgeline.
Fuse Assignments – A complete list of fuse and relay functions to assist with troubleshooting and repairs.

Whether you’re diagnosing an electrical issue, replacing a faulty fuse, or performing preventative maintenance, this guide ensures that your Honda Ridgeline (2017–2026) remains reliable and fully functional.

What’s Included

Fuse Box Locations

Passenger compartment

Located under the dashboard.
Fuse locations are shown on the label on the side panel.

Engine compartment

Fuse Box A: Located near the passenger’s side damper house.
Fuse Box B: Located near the brake fluid reservoir.
Fuse locations are shown on the fuse box covers.

Fuse Box Diagrams

Passenger compartment

Instrument panel fuse box diagram: Honda Ridgeline (2017, 2018, 2019-...)

Assignment of the fuses in the passenger compartment

№	Circuit Protected	Amps
1	DR P/W	20 A
2	DOOR LOCK	20 A
3	SMART	7.5 A
4	AS P/W	20 A
5	FR ACC SOCKET	20 A
6	FUEL PUMP	20 A
7	ACG	15 A
8	FRONT WIPER	7.5 A
9	ABS/VSA	7.5 A
10	SRS	10 A
11	REAR LEFT P/W	20 A
12	BACK P/W	(20 A)
13	REAR RIGHT P/W	20 A
14	S/R FUEL LID	20 A
15	DR P/SEAT (REC)	(20 A)
16	CARGO LT	7.5 A
17	FR SEAT HEATER	(20 A)
18	INTR LT	7.5 A
19	DR REAR DOOR UNLOCK	10 A
20	AS SIDE DOOR UNLOCK	10 A
21	DRL	7.5 A
22	KEY LOCK	7.5 A
23	A/C	7.5 A
24	IG1a FEED BACK	7.5 A
25	INST PANEL LIGHTS	7.5 A
26	LUMBAR SUPPORT	(7.5 A)
27	PARKING LIGHTS	7.5 A
28	OPTION	10 A
29	METER	7.5 A
30	—	—
31	MISS SOL	7.5 A
32	SRS	7.5 A
33	AS SIDE DOOR LOCK	10 A
34	DR DOOR LOCK	10 A
35	DR DOOR UNLOCK	10 A
36	DR P/SEAT (SLIDE)	(20 A)
37	RIGHT H/L HI	10 A
38	LEFT H/L HI	10 A
39	IG1 b FEED BACK	7.5 A
40	ACC	7.5 A
41	DR REAR DOOR LOCK	10 A
42	–	–

Engine compartment (Fuse Box A)

Under-hood fuse box A diagram: Honda Ridgeline (2017, 2018, 2019-...)

Assignment of the fuses in the engine compartment, Fuse Box A

№	Circuit Protected	Amps
1	Not Used (Models without the AC power outlet) AC INVERTER (Models with the AC power outlet)	(70 A) 70 A
1	RR BLOWER (Models without the AC power outlet) Not Used (Models with the AC power outlet)	30 A (30 A)
1	VSA MTR	40 A
1	VSA FSR	20 A
1	MAIN FAN (Models without the AC power outlet) Not Used (Models with the AC power outlet)	30 A (30 A)
1	MAIN FUSE	150 A
2	SUB FAN	30 A
2	WIP MTR	30 A
2	WASHER	20 A
2	–	(20 A)
2	–	(30 A)
2	FR BLOWER	40 A
2	AUDIO AMP	(30 A)
2	RR DEF (Models without the AC power outlet) Not Used (Models with the AC power outlet)	30 A (30 A)
2	–	(40 A)
2	Not Used (Models without the AC power outlet) RR DEF (Models with the AC power outlet)	(30 A) 30 A
2	–	(20 A)
3	Not Used (Models without the AC power outlet) RR BLOWER (Models with the AC power outlet)	— 30 A
3	Not Used (Models without the AC power outlet) Not Used (Models with the AC power outlet)	– 30 A
3	Not Used (Models without the AC power outlet) Not Used (Models with the AC power outlet)	– 30 A
3	Not Used (Models without the AC power outlet) MAIN FAN (Models with the AC power outlet)	– 30 A
4	SMALL (Models without the AC power outlet) STOP (Models with the AC power outlet)	10 A 10 A
5	—	—
6	SMALL (Models without the AC power outlet) STOP (Models with the AC power outlet)	10 A 10 A
7	—	—
8	L H/L LO (Models without the AC power outlet) IGPS (Models with the AC power outlet)	10 A 7.5 A
9	—	—
10	R H/L LO (Models without the AC power outlet) L H/L LO (Models with the AC power outlet)	10 A 10 A
11	IGPS (Models without the AC power outlet) R H/L LO (Models with the AC power outlet)	7.5 A 10 A
12	INJECTOR (Models without the AC power outlet) IG COIL (Models with the AC power outlet)	20 A 15 A
13	H/L LO (Models without the AC power outlet) MAIN DBW (Models with the AC power outlet)	20 A 15 A
14	USB	(15 A)
15	FR FOG (Models without the AC power outlet) BACK UP	(15 A) 10 A
16	HAZARD (Models without the AC power outlet) MAIN RLY	15 A 15 A
17	AS P/SEAT (REC)	(20 A)
18	AS P/SEAT (SLI)	(20 A)
19	ACM	20 A
20	MG CLUTCH	7.5 A
21	MAIN RLY (Models without the AC power outlet) HAZARD (Models with the AC power outlet)	15 A 15 A
22	FI SUB	15 A
23	IG COIL (Models without the AC power outlet) INJECTOR (Models with the AC power outlet)	15 A 20 A
24	DBW (Models without the AC power outlet) H/L LO MAIN (Models with the AC power outlet)	15 A 20 A
25	SMALL/STOP MAIN	20 A
26	BACK UP (Models without the AC power outlet) FR FOG (Models with the AC power outlet)	10 A 15 A
27	H/STEERING WHEEL	(10 A)
28	HORN	10 A
29	RADIO	20 A

Engine compartment (Fuse Box B)

Under-hood fuse box B diagram: Honda Ridgeline (2017, 2018, 2019-...)

Assignment of the fuses in the engine compartment, Fuse Box B

№	Circuit Protected	Amps
1	ST CUT1	40 A
1	4WD	(20 A)
1	IG MAIN	30 A
1	IG MAIN2	30 A
1	–	—
1	F/B MAIN2	60 A
1	F/B MAIN	60 A
1	EPS	60 A
2	–	—
3	TRL E-BRAKE	(20 A)
4	BMS	7.5 A
5	H/L HI MAIN	20 A
6	+B TRL HAZARD	(7.5 A)
7	+B TRL BACKUP	(7.5 A)
8	CTR ACC SOCKET	20 A
9	TRAILER SMALL	(20 A)
10	ACC/IG2_MAIN	10 A
11	TRLCHARGE	(20 A)
12	–	—
13	–	—
14	–	—
15	FR DE-ICER	(15 A)
16	RR _HTD SEAT	(20 A)
17	STRLD	7.5 A

FAQ

What are the cigar lighter (power outlet) fuses in the Honda Ridgeline?

Fuse #5 (Front ACC socket) in the instrument panel fuse box, and fuse #8 (Center ACC socket) in engine compartment fuse box B.