Full Wiring 2 ā€” FRONT computer fuse/relay box (pin-level)

wheel / pinch = zoom Ā· drag = pan
fw2_relaybox FULL WIRING SHEET 2 ā€” FRONT COMPUTER FUSE / RELAY BOX, PIN-LEVEL (Ā§5.6 Ā· Ā§6.3 Ā· Ā§6.5, rev 3.55) FRONT cluster only ā€” combiner circuits (F4 contactor coil Ā· F10 pre-charge Ā· RLY-O5/PC Ā· O5/O6) MOVED to the BED cluster (sheets 6 & 8) panel = 2Ɨ True Mods WATERPROOF 6-gang fuse+relay boxes (Bosch 5-pin 30/40A, INTEGRATED gang fuses, pre-wired) + small 4-6 way ATO block for always-on feeds every relay: 86 ā† fused trigger rail (F11) Ā· 85 ā† sunk by a DO (Waveshare DOs have built-in flyback; diode-suppressed coils ā†’ 85/86 polarity STRICT) Ā· 30 ā† gang fuse Ā· 87 ā†’ load Ā· 87a EMPTY Ā· coil ~150mA vs 500mA DO limit Ā· triggers 20-22 AWG / solid Cat5 Ā· load runs 16 AWG fused ā‰¤10A cluster_boxA TRUE MODS BOX A ā€” waterproof 6-gang fuse+relay (board-driven) Bosch 5-pin 30/40A per gang Ā· integrated fuse per gang Ā· 87a EMPTY cluster_boxB TRUE MODS BOX B ā€” waterproof 6-gang fuse+relay (lights, dash-module-driven) same box Ā· front lights on M-DO1-6 per Ā§5.6 rev 3.17 feed FRONT + BUS (Sheet 1) 6-8 AWG Ā· 40-60A fused at the bus dmod DASH MODBUS IO 8CH (Ā§6.4.1, owned) SKU 26244 Ā· RS485 slave Ā· ULN2803A sinks M-DO1 rock Ā· M-DO2 KC trigger Ā· M-DO3 underbody M-DO4 pods Ā· M-DO5 amber Ā· M-DO6 master isolation f1 F1 10A inline ATO converter feed ā€” O1 is NOT in the relay panel feed->f1 ato ALWAYS-ON ATO FUSE BLOCK (small 4-6 way) NON-relay always-on feeds ONLY (rev 3.24) the True Mods boxes fuse everything else F11 5A ā€” TRIGGER RAIL F12 3A ā€” Waveshare 12V F13 3A ā€” Pi 5V buck F14 3A ā€” Cudy + Switch A feed->ato 10-12 AWG r2 RLY-O2 ā€” accessory cut 86 ā† trigger rail 85 ā† DO sink (board O2) 30 ā† gang fuse F2 7.5A 87 ā†’ accessories Ā· 87a EMPTY feed->r2 8 AWG feed rr RLY-RK ā€” rock lights 86 ā† trigger rail 85 ā† DO sink (M-DO1) 30 ā† gang fuse F6 7.5A 87 ā†’ rock lights Ā· 87a EMPTY feed->rr 8 AWG feed kc KC HARNESS RELAY ships IN the KC kit ā€” NOT in the panel trig ā† diode-OR (mA) 30 ā† house 12V Ā· 12 AWG Ā· 20-25A fuse (per kit) gnd ā†’ coil return 87 ā†’ KC bar feed->kc ā†’ 30 esp FRONT ESP32-S3 BOARD (Sheet 3) DOs sink coil pin-85s (open-drain) O1 = 2 DOs ā†’ D-151 S/R pulses O3 power-btn pulse = DO DIRECT (no relay) O5/O6 GONE ā€” combiner is on the BED board d151 O1 ā€” Electronics-Salon D-151 / MD-D151S/12V (OWNED ā€” Ā§6.3 rev 3.46) passive bistable/latching DPDT Ā· internal Hongfa HF115F-L dual-coil true 0W hold Ā· holds through reboot/OTA Ā· NOT a Bosch socket part (latching needs set+reset coils) Ā· verify hold before install V+ ā† trigger rail (F11) Ā· also Cy (pole-Y common) S ā† DO_a Ā· ACTIVE-LOW pulse ~300ms = ON R ā† DO_b Ā· ACTIVE-LOW pulse ~300ms = CUT Ā· NEVER S+R low together Cx ā† F1 10A (pole-X common ā€” the muscle) Sx ā†’ converter 12V (switched) Sy ā†’ DI7 (pole-Y aux contact = read-back) esp->d151 DO_a ā†’ S esp->d151 DO_b ā†’ R esp->r2 O2 ā†’ 85 r4 RLY-O4 ā€” camera tier / Switch B 86 ā† trigger rail 85 ā† DO sink (board O4) 30 ā† gang fuse F3 10A 87 ā†’ Switch B PoE PSU Ā· 87a EMPTY esp->r4 O4 ā†’ 85 kcor KC DIODE-OR TRIGGER KC dash switch (manual fail-safe, works with computer dead) OR M-DO2 interlock: front board inhibits the rack >~5 mph on-road (Ā§5.7 #4) dmod->kcor M-DO2 dmod->rr M-DO1 ā†’ 85 ru RLY-UB ā€” underbody 86 ā† trigger rail 85 ā† DO sink (M-DO3) 30 ā† gang fuse F7 7.5A 87 ā†’ underbody Ā· 87a EMPTY dmod->ru M-DO3 ā†’ 85 rp RLY-PD ā€” pods 86 ā† trigger rail 85 ā† DO sink (M-DO4) 30 ā† gang fuse F8 7.5A 87 ā†’ pods Ā· 87a EMPTY dmod->rp M-DO4 ā†’ 85 ra RLY-AM ā€” amber / marker 86 ā† trigger rail 85 ā† DO sink (M-DO5) 30 ā† gang fuse F9 7.5A 87 ā†’ amber/marker Ā· 87a EMPTY dmod->ra M-DO5 ā†’ 85 f1->d151 ā†’ Cx trig TRIGGER RAIL +12V F11 5A Ā· 20 AWG feeds every pin 86 + D-151 V+/Cy ato:f11->trig ws front ESP32 + dash Modbus 12V always-on (Sheet 3) ato:f12->ws pi Pi 5V buck always-on (Sheet 3) ato:f13->pi net Cudy router + Switch A always-on (Sheet 4) ato:f14->net kcor->kc ā†’ trig trig->d151 ā†’ V+ Ā· Cy trig->r2 trig->rr d151->esp Sy ā†’ DI7 read-back conv 12Vā†’19V converter ~10A in Ā· reverse-polarity diode 19V out ā†’ Sheet 5 (OptiPlex) d151:e->conv acc accessory circuits 15-min timer loads Ā· 16 AWG Ā· ā‰¤5A r2:e->acc spA gangs 3-6: SPARE was RLY-O5 contactor + RLY-PC pre-charge ā†’ BED (sheet 6) was O7 compressor ā†’ OUT of build (rev 3.17) F4 + F10 renumbered to the bed box Ā· F5 spare swbp Switch B PoE PSU ā†’ LS108GP 12Vā†’53.5V supply or stock adapter (VERIFY) 16 AWG (~62W PoE + overhead ā‰ˆ 7A @12V) r4:e->swbp lrock rock lights 16 AWG Ā· ā‰¤5A rr:e->lrock lub underbody 16 AWG Ā· ā‰¤5A ru:e->lub lpd pods 16 AWG rp:e->lpd spB gangs 5-6: SPARE growth (incl. Ā§6.1 limp-home pocket spare) lam amber / marker 16 AWG ra:e->lam bar KC bumper rack ā€” 216W / 18A wiring supplied in the KC harness kit forward-facing ā†’ on-road interlock applies kc:e->bar gnd BOX GND bar ā†’ front āˆ’ bus single-point star (Ā§5.6) Ā· all DO coil sinks return via controller GND kc:e->gnd coil gnd (follow KC kit)

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