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Thread: wiring harness and vacuum hoses

  1. #1
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    Mazdaspeed Protege #386

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    wiring harness and vacuum hoses

    I did the motor swap and not sure where these vacuum hoses and connectors go to if anyone knows please help. The car starts up but the vacuum is around 5-10.
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  2. #2
    Certified Mazda Tech hornsfan10609's Avatar

    2003.5 Mazdaspeed Protege

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    Vac lines run to the evap canister on the firewall and the plug may be for the EGR.
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  3. #3
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    I may just have to unplug the connectors and redo them cuz I'm not sure why I'm missing some.

    Does anyone have a msp vacuum hose diagram?
    Last edited by lyndonvang; 02-09-2011 at 02:01 PM.

  4. #4
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    Mazdaspeed Protege #386

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    ok got the hose on pic# 4 figured out. Need to find the rest.

    Can anyone post some pics of theres?
    Last edited by lyndonvang; 02-09-2011 at 10:10 PM.

  5. #5
    Certified Mazda Tech hornsfan10609's Avatar

    2003.5 Mazdaspeed Protege

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    Vacuum diagram is on the underside of the hood. Pic 4 hose goes to the intake mani, the hose in pic 3 goes to the front port on the little black canister on the passenger side of the firewall. The hose that is in the canister may be from the brake booster and that should go on a port on the back of the intake mani in the center. The connector that bolts to the cold pipe by the throttle body is mounted upside down.
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  6. #6
    silver back silvermsp88's Avatar

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    there

    D. Vang
    PRODUCTION NO. 1775

  7. #7
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    Mazdaspeed Protege #386

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    Thanks but i already got it figured out.

  8. #8
    EVO this. Matrix's Avatar

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    Hey, stupid question, but - is the PRC solenoid valve outlet that points to the front of the car simply capped off? Thanks for any input anyone can provide.
    **2003.5 Silver Mazdaspeed Protege #2048** PCM Reflashed * Injen SRI * GT28RS * CustomMSP SMIC * Hardpipes with MAF Relocation * TurboXS Type-H BOV * Slightly Ported Intake Manifold (VTCS removed) * NGK Spark Plug Wires * Exedy Stage 1 Clutch * JDM Lightweight Flywheel * SteedSpeed Turbo Manifold * Corksport S-Pipe (Jet Hot Coated) * SLS Performance 2.5" J+Mid-pipe with Cat * GReddy SP2 Exhaust * SU Front Motor Mount * AWR Side MM Inserts * Weapon-R Engine Damper * Rear Strut Tower Bar * AXR Rear Sway Bar Brackets * Magnum Cross-Drilled Rotors * SLS Performance Gauge Rings Also: NGK ZFR7F spark plugs * Mobil1 5W/30 oil * Redline MT-90 tranny fluid * MilleniaS PCV * Prosport 52mm Boost & Oil Pressure gauges Planned: H&R/Tein S-Tech Springs * Tokico Struts * Wideband O2 * FMIC * SSAFC * Fidanza flywheel

  9. #9
    Certified Mazda Tech hornsfan10609's Avatar

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    Yes it has a cap with a mitsubishi symbol on it.
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