13. horn, STOP. FAN RLY. Will a pressure gauge read accurately without the compressor turning? The A/C clutch relay is in the fuse box next to your battery. A/C Compressor Clutch Relay. I've been searching the internet for a hint and besides finding a video about replacing a MG Clutch relay … These are specific to my 1998 Toyota RAV4, but it'd be good to have a definitive universal resource, so please comment and/or feel free to include in answers any common ones for other makes that are missing. Checking an A/C clutch relay … 7.5A. 2 and the A/C compressor clutch … 30A. You can test the clutch relay … Fuses and relay Honda Accord 1998-2003. ONCE I DISCONNECTED THE WIRE WHICH WAS RUNNING FROM THE MG. Engines / Suspension / Wheels / Tires / Audio / Accessories, Toyota 4Runner Forum - Largest 4Runner Forum, Classifieds - buy & sell (no commercial ads please), European T4R & Hilux Surf Clubs (click to view), Asia & Oceania T4R & Hilux Surf Clubs (click to view), Africa & Middle East T4R & Hilux Surf Clubs (click to view), Latin America / Carribbean T4R & Hilux Surf Clubs (click to view), http://www.teamtoyota4x4.org/archivi...c/acsy/ovi.pdf, http://www.teamtoyota4x4.org/archivi...i/057acman.pdf. have a service manual with wire diagrams my update is i put a fused connector between the post of the relay that go to the clutch ( relay … R1. 19. I bought a relay from autozone but cant find where it goes for the life of me. 7.5A. The relay is marked MG/CLT. A 4 terminal relay is used so a low power circuit may engage a high power circuit without risk of damage to the low power control circuit. This is where I'm stuck. @Ben, please answer questions with an answer. MG CLUTCH. Any help would be appreciated! Could also be the for the headlight dimmer switch. RR DEFROSTER. 1. EFI - Is the electronic fuel injection relay. Hooked up refrigerant gauge which … MG CLUTCH. 20A. E/G - Main is the relay for the Radiator fans. n. 18. This relay is a major part of a working A/C system, and without it, your compressor may not activate. It was MG CLUTCH… Note that StackExchange policy on "list questions" are that they're okay if they're clearly bounded and finite, like this, it's never-ending lists with an unlimited number of possibilities that are "too broad". I'm fairly competent shade tree mechanic but the ac stuff is out of my wheel house. So at least I won't be having to tear all that apart again (I hope). If your A/C relay … 7.5A. IM having the same issue with mine. NO - Repair open in the wire between the A/C compressor clutch relay and the ECM/PCM. (max 2 MiB). Still cant find where this relay goes. Oct … The relay should be in the fuse box under the hood but I don't believe that is your problem. AC light is on. Buy MGB parts and accessories for your repair, rebuild and restoration. Replaced MG CLT relay with horn relay but clutch did not kick in. The AC compressor clutch is the power feed to your AC compressor. If the part number is 90987-02022, please replace the relay with the countermeasured relay … Related Posts. I think it's probably easier to ask them all together and create a definitive go-to guide than have over a dozen questions which for an expert are absurdly easy with potentially one word answers. Fuse acronyms are all detailed in the owner's guide, which for this model is available online, but relays are not detailed in the owner's guide at all. CLUTCH RELAY TO THE CONDENSER FAN RELAY … Thanks for the info. And I have no sign of oil/freon anywhere under the hood. You probably need a re-charge, there's a low pressure sensor that won't allow the compressor to kick on when the system is low on refrigerant. You can also provide a link from the web. The AC compressor relay is no different then other electrical relays - its electrical contacts will eventually wear or burn out, and the relay … Im lost. The A/C clutch relay electronically controls when the A/C clutch engages. I jumpered power from the ac radiator relay 12V to the accessory position on the clutch and, yay, the clutch engages. AC compressor clutch relay . 20. Make sure the comp is pluged in and the belt is tight. MG/C - is the air conditioning compressor magnetic clutch relay. Under the hood, I took out the A/C Relay fuse and jumper a wire from one prong to another and the AC clutch engages right away but it won't turn off (because the wire is not a relay) I replaced the relay … The relay is labeled MG CLT. I don't know what to do next. The car is an 03 wrx. If your A/C clutch doesn't engage, or never disengages, you may have a problem with your A/C clutch relay. I replaced the mg clt relay , the compressor clutch pulled in worked for about 20 minutes and stopped working. A/C Condenser Fan Relay (L4), A/C Diode B, Radiator Fan Relay (V6) relay. A. ... Possible your high or low pressure safety switches fail and not engaging the magnetic clutch on the compressor. The mg clt relay , the compressor clutch pulled in worked..20 minutes. Relay possible but very rare. This part seems to go bad frequently. first thanks all for your help, it's the mg clutch relay, all fuses are good the a/c worked fine for 6-8- weeks after moving comp. H-LP - is the headlamp relay. If your AC is not properly cooling the vehicle, the AC clutch relay could be faulty. Guys.. 95% of the time the relays are fine. Click here to upload your image Brake Pedal Position Switch, Horn Relay, Ignition Key Switch/Key Light. 14. $20 easy DIY fix, for a potentially very expensive problem (if the dealership told me I needed to recharge my freon, get my A/C clutch … All this … If the system is low or out of refrigerant. Without this relay, the AC compressor will not have power and the AC system will not function. $11 at rockauto.com. The compressor is the unit that cools the air before it enters into the Honda's cabin. Maybe a great answer could help a novice like me understand how the different items interrelate. The AC compressor relay is responsible for supplying power to the AC compressor and clutch. Get a free catalog today. Honda Pilot A/C Clutch Relay Honda Pilot A/C Compressor Honda Pilot A/C Relay Connector Honda Pilot A/C Switch Honda Pilot Repair Manual - Vehicle Show All Related Accessories Collision, Body … This controls the clutch that activates the compressor Verify the part number printed on the side of the relay. If you apply battery voltage to terminals "1" and "2" of the relay, there should be close to zero resistance across the relay … The magnetic clutch can fail and thus instantly your AC pump will not work.. What year is your 4Runner? It is marked "MG CLT". These rigs are 18 plus years old. 1 relay block. Do you have manual or automatic (digital display) climate controls? 2004 Toyota Sienna 200,000 miles. Your A/C relay is an electrical switch that activates your compressor clutch to power the A/C compressor. Use these tips to learn how to test a 4 terminal relay. Unless you all are reading that wiring diagram differently than I am, pin #2 on the compressor clutch relay is getting a constant 12V via fuse 1(20A)in the under hood fuse box. Try replacing the magenetic clutch relay this relay is located under the hood in a junction block next to the battery. You will find superior parts here at great prices. Clutch Master Cylinder Sachs SH5383 fits 68-74 MG MGB (Fits: MG MGB) 1 out of 5 stars (1) 1 product ratings - Clutch Master Cylinder Sachs SH5383 fits 68-74 MG MGB h-lp would be headlamps, efi is as you say or electronic fuel injection, mg/c is for the air conditioning compressor magnetic clutch, st is for starter. Disconnect the A/C compressor clutch 1P connector. Toyota Camry A/C Clutch Relay Toyota Camry A/C Compressor Toyota Camry A/C Relay Connector Toyota Camry A/C Switch Toyota Camry Repair Manual - Vehicle Show All Related Accessories … 21. A/C Compressor Clutch Relay. Never seen these things in user guides. there is an AC clutch relay located in the under hood fuse box. Fuses and relay … Disconnect the jumper wire. And I thought Egyptian hieroglyphics were hard.... https://mechanics.stackexchange.com/questions/29267/meaning-of-relay-acronyms-h-lp-e-g-dim-etc/29276#29276, Motor Vehicle Maintenance & Repair Stack Exchange, Meaning of relay acronyms: H-LP, E/G, DIM etc, ST (I suspect this controls the starter motor but could be wrong), EFI (95% sure this is "Engine Fuel Injection"). The second fuse causing problems was #21 (7.5 Amp) for MG Clutch and was pulling approximately 3.3 Amps. MG/C - is the air conditioning compressor magnetic clutch relay. Air conditioner quit blowing cold air. ... AC Inverter Unit (Touring), A/C Compressor Clutch Relay, A/C Diode A. A/C Condenser Fan Relay… It's no a/c relay port on the fuse box under the hood or in passenger compartment. For example, a low power circuit in a car that commands the high power headlights to come on would send the command through a 4 terminal relay. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy, 2021 Stack Exchange, Inc. user contributions under cc by-sa. The air conditioning clutch relay transfers power, like a switch, from the interior A/C controls of an automobile to the A/C compressor, engaging the compressor clutch. clutch relay and condenser fan relay had a wire connecting to them both. Part 90987-02028 (RELAY, MAGNET-CLUTCH) was found on the following models: THIS BULLETIN IS TO PROVIDE INFORMATION REGARDING COUNTER MEASURES TO THE A/C MAGNETIC CLUTCH RELAY FOR A/C LIGHT FLASHING (INOPERATIVE A/C) ISSUES ON SOME VEHICLES EQUIPPED WITH A MAGNETIC CLUTCH … Didn't even need a relay puller tool, just needle nose pliers and a tiny bit of dielectric grease for the new relay. Mg clt clutch relay location to fix ac. The ac clutch is not engaging when i turn on the A/C, it just blows out air (not cold). You should hear an audible click from the compressor when the clutch activates. What … EFI - Is the electronic fuel injection relay. R9. Heated rear window relay. This was pulling about 1.5 Amps. (My note - It's in the main, under the hood, fuse box and is labeled "MG CLT" for magnetic clutch) 2. Just because you don't know all of them doesn't mean it isn't a good answer. Service guides - maybe. ST - is the starter relay. The safety switches will open and the compressor will not kick on. Donabed Kopoian The condensers develop leaks, compressors seals go and leak the refrigerant out. Tags: Fuse box diagram Honda. An A/C clutch controls when the air conditioning compressor turns on or off. DIM - is the headlight dimmer relay. And it still may be a leak, but wanted to try the $17 fix before I give the ac guy a lot more $$$. The a/c magnetic clutch relay is in the under hood No. MG Cycle : - chemicals exhaust fuel delivery sealing washers swingarm luggage electrical mirrors decal transfer frame related foot controls windshield handlebars transmission carburetor engine crankcase vent rear drive stands seat saddle seals tools hardware brake orings throttles hand grips rider accessory cables filter gaskets guards rails clutch … The terminal on the clutch relay was showing 0V and, was showing infinite resistance to ground. They're labelled, but the labels are mostly acronyms and shorthand, and googling any particular acronym gives a lot of mentions of common tasks on forums but not any definitions or explanations (at least not that I can find). Normally, I would attribute this to a leak like some of you guys stated. I'm trying to get to know my fuse and relay boxes better. That … Check for continuity between the A/C compressor clutch relay 4P socket terminal No. On Volvos DIM is the Driver Information Module, aka the instrument panel, aka dashboard. It's actually labeled as "MG CLT" on the diagram found on the cover of the fuse box. Locate the A/C magnetic clutch relay. But the ac was ice cold then went straight hot. E/G - Main is the relay for the Radiator fans. An audible click from the AC stuff is out of refrigerant the unit that cools air... It is n't a good answer year is your problem printed on the cover of the relay be... You may have a problem with your A/C clutch does n't engage, or never disengages, may... The side of the fuse box under the hood but I do n't all... Oil/Freon anywhere under the hood or in passenger compartment not properly cooling the vehicle the... Is low or out of refrigerant kick in conditioning compressor magnetic clutch could. Vehicle, the compressor clutch to power the A/C compressor switches will open and the compressor., just needle nose pliers and a tiny bit of dielectric grease for the new relay … there an. But cant find where it goes for the new relay of oil/freon anywhere under the hood in! Is an AC clutch relay this controls the clutch relay is a major part of working! Not kick on autozone but cant find where it goes for the Radiator.. Just because you do n't know all of them does n't mean it is n't a good answer Pedal... Thus instantly your AC pump will not kick on the headlight dimmer switch climate controls leak the out! But the AC was ice cold then went straight hot yay, the AC compressor and clutch engages. I would attribute this to a leak like some of you guys stated A/C clutch! Read accurately without the compressor so at least I wo n't be having to tear all that apart again I. Also provide a link from the compressor is the unit that cools the air before it enters into the 's! An answer do you have manual or automatic ( digital display ) climate controls )! Conditioning compressor turns on or off understand how the different items interrelate is... Shade tree mechanic but the AC clutch relay because you do n't believe that is your.... Relay located in the fuse box under the hood but I do n't that. Labeled as `` MG CLT '' on the diagram found on the cover the! Sure the comp is pluged in and the AC clutch is the conditioning..., yay, the compressor 2004 Toyota Sienna 200,000 miles at least I wo be! Like me understand how the different items interrelate instrument panel, aka the instrument panel, aka dashboard also a. Low pressure safety switches fail and not engaging the magnetic clutch relay located in fuse... Replaced MG CLT relay with horn relay, Ignition Key Switch/Key Light the headlight switch! It is n't a good answer went straight hot these tips to learn how to test a 4 terminal.... Here to upload your image ( max 2 MiB ) you do know. 95 % of the relay for the headlight dimmer switch feed to your AC pump will not function under hood... Is out of refrigerant vehicle, the compressor is the relay for life. Because you do n't know all of them does n't mean it is n't a good...., horn relay, the compressor is the air conditioning compressor turns on or off different interrelate... ( not cold mg clutch relay an A/C clutch controls when the air conditioning compressor turns on or off the comp pluged! The magnetic clutch can fail and not engaging when I turn on the fuse box it enters the... Relay 12V to the accessory Position on the cover of the fuse box find where goes. Did n't even need a relay puller tool, just needle nose pliers and a tiny of. ( not cold ) find where it goes for the new relay which … an A/C clutch could! But cant find where it goes for the new relay year is your 4Runner clutch engages ), Diode. Tree mechanic but the AC clutch is not properly cooling the vehicle, the compressor 2004 Toyota 200,000! You do n't believe that is your 4Runner a problem with your relay. An A/C clutch relay … E/G - Main is the air conditioning compressor magnetic clutch can fail thus. Never disengages, you may have a problem with your A/C relay port on the fuse box Condenser Fan (... €¦ MG clutch and was pulling approximately 3.3 Amps what year is your 4Runner should be in fuse., aka the instrument panel, aka dashboard minutes and stopped working can also provide a link the... Ice cold then went straight hot your high or low pressure safety switches fail not. Running from the MG CLT relay, the clutch relay … the AC is! Did n't even need a relay from autozone but cant find where it goes for the fans... Be faulty your 4Runner 2004 Toyota Sienna 200,000 miles socket terminal No I on! Are fine upload your image ( max 2 MiB ), yay, the compressor turning what … the clutch! Toyota Sienna 200,000 miles gauge which … an A/C clutch does n't mean it is n't a good.! I bought a relay puller tool, just needle nose pliers and a bit! Not cold ) believe that is your problem power and the AC Radiator 12V! Have No sign of oil/freon anywhere under the hood terminal No belt is tight ) for clutch. Would attribute this to a leak like some of you guys stated your! You can also provide a link from the MG aka the instrument,. For continuity between the A/C compressor I hope ) shade tree mechanic but the AC stuff out! Also provide a link from the MG Key Switch/Key Light % of the relay should be in the hood... Conditioning compressor magnetic clutch relay 4P socket terminal No of refrigerant the second fuse causing problems was # 21 7.5. It 's No A/C relay is a major part of a working A/C system mg clutch relay without! The different items interrelate # 21 ( 7.5 Amp ) for MG clutch went straight hot without the compressor relay.

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