GAC GA4 (2018 – 2023) – fuse box diagram

Year of production: 2021, 2022, 2023

Passenger compartment fuse box

№	Amps	Function / Component
IF1	SHORT PIN	Short pin
IF2	20A	Body control module (light power supply)
IF3	7.5A	Gateway control unit
IF4	10A	Body control module (turn signal power supply)
IF5	15A	AUDIO Control Unit
IF6	15A	Sunroof Control Unit
IF7	7.5A	Trunk light / front left courtesy light / front right courtesy light / rear-view mirror folding relay / rear-view mirror unfolding relay
IF8	15A	Body Control Module
IF9	–	–
IF10	–	–
IF11	–	–
IF12	20A	Body control module (front left window regulator power, rear left window regulator power)
IF13	20A	Body control module (front right window regulator power, rear right window regulator power)
IF14	30A	IG1 relay / ACC relay / lgnition switch
IF15	20A	Front left seat connector (seat adjustment power)
IF16	7.5A	OBD Diagnostic Interface
IF17	–	–
IF18	10A	Instrument cluster / T-BOX control unit / panorama parking control unit
IF19	15A	Body control module (wiper cleaning power)
IF20	20A	Front left seat connector (seat heating power)
IF21	–	–
IF22	20A	Body control module (door lock power supply)
IF23	–	–
IF24	20A	Cigarette Lighter
IF25	7.5A	Body control module / PEPS control unit
IF26	10A	AUDIO control unit / rear-view mirror adjustment switch
IF27	7.5A	Smartphone wireless charging module / USB charging port
IF28	–	–
IF29	7.5A	Blower relay / electronic anti-glare rear-view mirror / PEPS control unit / defogging relay
IF30	7.5A	Gateway control unit / body control module / PEPS control unit
IF31	10A	Sunroof control unit / rain and light sensor / front central console panel / T-BOX control unit / instrument cluster / A/C control unit / front left seat connector / left dashboard switch group
IF32	7.5A	Steering angular speed sensor / EPB control unit / TPMS control unit / EPS control unit / ABS/ESP control unit
IF33	7.5A	Front left combination light (adjustment motor) / front right combination light (adjustment motor) / reversing radar control unit / panorama parking control unit / headlight height adjustment switch / anion generator / A/C control panel
IF34	10A	Supplemental Restraint System Control Unit
IF35	7.5A	Shift lever / 4AT control unit / 6AT control unit / brake switch / engine control unit
IF36	7.5A	High brake light / TPMS control unit / EPB switch
IF37	7.5A	PEPS control unit / ESCL
IF38	7.5A	Ignition switch / PEPS control unit / PEPS immobilizer coil
IF39	10A	Front central console panel / A/C control unit / A/C control panel
IF40	7.5A	Body control module / starter relay 1 / starter relay 2 / engine control unit
IF41	–	–
IF42	–	–
IF43	7.5A	Left rear-view mirror heater / right rear-view mirror heater
IF44	30A	Rear Defogging Heater
IR1	–	IG2 Relay
IR2	–	ACC Relay
IR3	–	IG1 relay
IR4	–	–
IR5	–	Defogging relay
IR6	–	Exterior rear-view folding relay
IR7	–	Exterior rear-view mirror unfolding relay

Engine Compartment Fuse Box

№	Amps	Function
EF1	125A	Main fuse
EF2	80A	EPS control unit
EF3	50A	Instrument Panel Fuse Box
EF4	40A	High-speed fan relay / low-speed fan relay
EF5	50A	High-speed fan relay
EF6	40A	ABS/ESP control unit
EF7	–	–
EF8	30A	Blower Relay
EF9	–	–
EF10	50A	Instrument Panel Fuse Box
EF11	–	–
EF12	30A	Starter relay 1 / Starter relay 2 / IG2 relay / Ignition switch
EF13	20A	Wiper relay/wiper speed regulation relay
EF14	–	–
EF15	25A	ABS/ESP control unit
EF16	15A	High Beam Relay
EF17	7.5A	A/C compressor relay
EF18	–	–
EF19	–	–
EF20	15A	Fuel Pump Relay
EF21	30A	Electronic Parking Brake Control Unit
EF22	7.5A	Engine control unit/brake switch
EF23	15A	Speaker Relay
EF24	30A	Electronic Parking Brake Control Unit
EF25	–	–
EF26	–	–
EF27	15A	4AT control unit / 6AT control unit
EF28	SHORT PIN	Short pin
EF29	SHORT PIN	Short pin
EF30	10A	Fuel injector and fuel pump relay
EF31	15A	Ignition Coil
EF32	10A	Engine Control Unit
EF33	7.5A	Low-speed fan relay / high-speed fan relay / starter relay 2 / A/C compressor relay / front oxygen sensor / rear oxygen sensor
EF34	10A	Front left combination light (low beam)
EF35	10A	Front right combination light (low beam)
EF36	7.5A	Engine Control Unit
EF37	10A	Clutch position sensor (MT model) / variable camshaft timing (intake end) / carbon canister solenoid valve / turbocharger wastegate (1,3T model) / discharge valve (1.3T model) / variable camshaft timing (exhaust end)
ER1	–	Wiper Relay
ER2	–	Wiper speed regulation relay
ER3	–	Fuel Pump Relay
ER4	–	–
ER5	–	–
ER6	–	Speaker Relay
ER7	–	Low Beam Relay
ER8	–	A/C compressor relay
ER9	–	High Beam Relay
ER10	–	Starter Relay 1
ER11	–	Main Relay
ER12	–	High-speed fan relay
ER13	–	Blower Relay
ER14	–	Starter Relay 2
ER15	–	–
ER16	–	Low-speed fan relay

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.