1999 HONDA CIVIC Power

'
Heater Sub-harness A: '99 - 00 models
Connector or
Terminal
Number of
CavitiesLocationConnects toNotes
c721
c722
c723
c724
c725
c726
c727
c728
c729
c730
7
24
3
2
4
1
5
4
Under left side of dash
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Behind glove box
Main wire harness (C440)
Mode control motor
Heater sub-harness B (C741)
lilc thermostat
Blower motor
Power transistor
Recircuiation control motor
Heater sub-harness B (C744)
Air mix control motor
Blower motor high relaY
Heater Sub-harness B: '99 - 00 models
HEATER SUB.HARNESS A
Connector or
Terminal
Number of
CavitiesLocationConnects toNotes
c7 41
c'742
c143
c744
20
8
20
1
Behind glove box
Behind middie of dash
Behind middle of dash
Behind glove box
Heater sub-harness A (C723)
Heater control Panel
Heater control Panel
Heater sub-harness A (C728)

(l'-
Fuse NumberAmpswire ColorComponent(s) or Circuitlsl Protect€d
4180APower distribution
4240AWHT/BLKTo ignition switch (BAT)
437.5 AWHT/REDCeiling light, data link connector, trunk light
4415 AWHT/BLKPGM-Fl main relay
Not used
4640AWHT/BLUPower window motors (via power window relay)
477.5 AWHT/BLUAudio unit, clock, TCM (CVT), ECM/PCM (VBU)
4830AWHTNo.33 (7.5 A) fuse, To combination light switch (headlight)
49Not used
5030AWHT/GRNRear window defogger (via rear window defogger relay)
cl20AWHT/GRNPower door lock control unit, moonroof motor
15 AWHT/GRNHorn system, brake lights, brake signal
10 AWHT/BLKHazard warning light, turn signal/hazard rclay
54404WHT/REDOption {+B)
5540ABLU,A/VHTBlower motor (via blower motor relay)
204WHTCondenser fan motor (via condenser fan relay)
REDl'lc compressor clutch (via IVC compressor clutch relay)
204BLVBEDRadiator fan motor (via radiator fan relay)
23-6

lr-
Fuse NumberAmpswire ColorComponent{sl or Circuit(sl Protected
*1r '96 - 98 models*2r '98 model*3: '99 - 00 models
,lNot used
2Not used
310 AGRNRear window wioer motor, rear window washer motor
410 ARED/BLURight headlighr thigh beam)
510 ARED/GRNLeft headlight (high beam), high beam indicator light
6Not used
7204R E D/VVHTLeft rear power window motor
820A.YEUBLKRight rear power window motor
9Not used ('96 - 97 models)
't5 AREDDistributor (ignition control module) ('98 - 99 models)
10204G RN/BLKFront passenger's power window motor
1120ABLU/BLKDriver's power window motor
127.5 AYEUBLKTurn signal/hazard relay (via turn signal/hazard switch)
t515 AYEL/GRNPGM-Fl main relay
GRY or BLK,^/ELSRS u nit (VA)
141.54B LK/YE LCruise control system, audio unit*1, keyless door lock control unit*3
BLK/lr'r'HTAlternator, VSS, ELD unit (USA), EVAP purge vent shut valve, oxygen
sensors, TCM (CVT)*'
t6BLI(,/BLUABS pump motor, rear window defogger. power mirror*3, mirror delogger*3
177.5 ABLK,/YE LA,/C system, power mirror*r. option (lG2)
18YEUBTKDaytime running lights relay (Canada)
197.5 AYEUREDBack'up lights
2010ABLK/VVHTDaytime running lights control unit (Canada)
2110 AREDA/VHTRight headlight (low beam)
2210 ARE DI/E LLeft headlight (low beam)
10 AGRY or PNKSRS UNit (VB)
247.5 AGRN/ORNMoonroof relays
257.5 AYELGauge and indicator lights. interlock control unit
204GRN/BLKWindshield wiper motor, windshield washer motor,
integrated control unit {Canada)
15 AYEL/GRNAccessory socket (ACC)
2a10 A,/']5A''YE L/R EDAudio unit, option (ACC)
29Not used
307.5 AR ED/BLKDash lights, option (dash lights)
1.5 ABLUA/VHTECM/PCl\4, PGM-Fl majn relay, integrated control unit
RED/BLKFront parking lights, taillights, license plate lights
337.5 AWHT/GRNlnterlock control unit. key interlock solenoid
23-65

Power Distribution
tCircuit ldentification
CONTROL
V
IGRNMHT
UNDER-HOODABSFUSEi RELAY BOX
'96-98 models: 99-00 models
WHT'GBN - l ABs conlrorun
ABS Aimp molor
*2
BRN,ryEL
YEUREDI ABS conltolun t
Slaner molor
WHT/BLK ..........-
WHT/GRN _-
WHTiGBN
GRN/RED -
Hazard waming liglTun signal/hazard re ay{Via swlch)
HOTN
HOn re ay
ABs controllnilECMi PCMTCM (CW)rlCruise conlrol unilErake lrghls
EC}?VPCM
I-"-
G401G402
I... UNOER.DASHw_T BLU -13 > F-SE ?ELAY BCxt- Fa Nge23:t)
Audio unilTCM (CW)',ECM/PCMHealer conlrolpanel
(cont'd)
23-67
UNDER HOODFUSEi RELAY BOX
ALTERNATOR
VNo 15 (7 sA) FUSE Y(From page 23 70) |
f7 r_1
I_ .,.-.,
*,,,,,* _$ lg|[|];gil.' ('^')
WHT/8LK -
Ceiling lighlTrunkllghrSpollighl *'
Dala link connecor (DLc)Integraled control unil
PGM Fl main relay

Power Distribution
Circuit ldentification (conf dl
ECI4/PCM (Via A/C Fsssure switch)
,VC th€modA
Con(,ensef lan molor
A/C comFessor dulci
ECWPCM
UNDER HOOD FUSE/BELAY BOX
"*-f_
v{HT -
BLI(/RED -
UNDEN.DASH FUSE/REIAY BOXflo page 23-72)
COMBINATION LIGHT SWITCH[Io page 23 73, 74)
UNDER,DASH FUSgRELAY BOXOo page 23'74)
wnc'N ---}> Hlgl;%,s,1 lsu'r"' *,
wHT/GnN-Po#sr door lock control unilMoonrool molor
*HT/RED + Hoo5f;oA'.j1fu,uttto" *t
BLUMHT - Blowor fiolor
G()1G402
BLu/rrit{t -
BLU/lf {I -
23-68
BLI(RED - Radiator tan molor

Power Distribution
Circuit ldentification (cont'd)
IGN|T 0N SWTTCH (ACo)lFrom page 23-69)
*3 (or PNn -
Anernal0rVSS
HO2SEVAP conlrol canister vent shr,,l vafoeEVAP Flrge conrol so enord valveECM/PCM"
Back-!p lighls
SRS unri (VB)
i.1 :'96,98 modesr.2 : 99 mode*3 :GRY ('96-97 models):GRN (98'00 models)
sLrwHT+ Ft"t:itJY;i
BLI{WHT -}rcutcwt.,
BLKr'r{HT - Chargir! syslem trghl
InteEalei conLol unft
Shin lock soenod I r!/r\lnleiock mnlrol un I J '- '
Galge ass€mblySRS indicalor lighlABS indicrtor lghlA/Igear posilion nd€lorl d,mmino qrcu,luru6e notcaoa ) -
Inlegraled conlrcl un t
Windshield wiper molor
GRN,B-< ........- ImeEaleo cortolull| (viawndshieLd wi9el swllci)- wrrdsi erd washer .nolor(Via swrn)
Accessory power sockel (ACC)
oplioial conneclor (Acc)
Audio unil
UNDEF.DASH FUSE/REtAY BOX
No 1s (7 sA)
POWERWINDOW RELAY(To page 23-71 )
N0.25 (7.5A)
GBN/OF -- Moolroolopel relay- MOOlrOOldOSe relav
(Fusoirelay box sockel)
YEL-
(Fuse/relay box socl€l)
Y_ *,n,,*
23-70

l'-
No 54140A) FUSE(From page 23 68)
N0.16 (7.5A)FUSE(Via sw lch)(From paqe 23'69)
UNDER.DASH FUSE RELAY BOX
N0.46 {40A)FUSE(From paqe 23'67)
v
IWHTi BLU
(Fuse/reay bor sockel)opliona conneclor (+8)
"*-l_
BLU ts-^ - towet wiroow masle's,r;.hL Power wtndow COn[Ol Jnil(Via power window master swilch)
GRN/BLK - I Fronl pass€nger's powerGRN/BLK _J wtnoow moor/Via power window masler svI and fronl passengerb powersr window masler swilch \I passengers power I
ooo,c402
-:: -.:::: I Lell 'eat Powe'w ndow -olot'/v'a power wiroow masle'sw ch \\and lefl lear Power window swilch ./
':_:_: I Rohl rear oolver witow molol'rv a @wer wlfoow masler swrlcl l\end gh1re power wndow swilch /
GRN/BLK -
BL|(BLU - Rearwindow delogger
"*-f,_
(3OA)FUSEpage 23 68)
v
IWHT/GRN
No 50(Frcm
v
IBLU/YEL
oitG402
(cont'd)
23-71
(7.s4) FUSEpage 23 70)
7
POWERWINDOWRELAY

Power Distribution
Circuit ldentification (conf dl
IM/T)
rGNrTtoN swrTcH (sT)(From pag€ 23{9)
YBLK ,VHT
t-
I
r**"'.fffr,u,r.*@**-_
lil.BLT(-^,I'/HT -|:1jl- BLT(RED
T
BLK ^/HT - $aner sol€ndd G401
STAFTERCUT RELAYCLUTCH SWITCH
BLIVREO
L-
rGNrTroN swtTcH (sT){From paoe 23{9)
f'7
IIBLK/WHT
NEUTFAL POSITIONswtTcH/ln lL/Tgeat \\posnion swldr/
BLT(RED
-BLK4rrHr
- srarrer sotsnoid
(Fus€felay lox sockol)lrflagGt€d conlrol unit
ELU VHT - PGM-F| main retay
BLUMHT _ ECI\T/PCM
lH#|1'#i,'f,5>-**l e ock connol unit(via intedocf switdr)
Key ints ocl solenoid
23-72
wHr + &3T:$111.9|'ij""'n'"