Battery voltage at the battery is 12.4 with car in off. Thanks everyone. I've got nothing on speeds 1-4, but with ignition on I'm getting power (12v+) to the blower switch (GN/BR wire). If a resistor swap fails to solve the problem then it’s time to move onto the motor. Replacing K7 relay with a new one makes no difference. Motor - evaporator blower 24. If the blower fails the vehicle will not provide heat or air conditioning. Final job to be done is figure out blower motor issue. Question1; Can someone give me some advice on why the blower and AC buttons blow the fuse when I turn them on? He's had it almost 2 months , working on it when he can. Read honest and unbiased product reviews from our users. It was a while ago though so I am not sure. If you have an account, sign in now to post with your account. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Thanks. The engine and tranny seem good and the body and interior very good with some minor rust on the rocker panels which I will eventually have to address. Page 1: Important Safety Notice USE, CARE, AND INSTALLATION GUIDE Read all Instructions before Installing and operating this appliance MODELS: ZPY-E30 (B,W,S), ZPY-E36 (B,W,S) Pyramid IMPORTANT SAFETY NOTICE WARNING Installation The installation in this manual is intended for qualified installers, service technicians or persons with similar qualified background. But, I have always loved the e30 and was lucky to find this one in my neighborhood . I don't remember where I got them, maybe ace hardware. Open the hood, and remove the hood seal from the firewall. JavaScript is disabled. It should generate less heat at low speeds, if it is PWM. Connections to the blower motor are fine, both power and ground connections are tight. first thought: if manual jumping the motor makes it run, its just not getting power through the wiring. BMW E30 3-Series Switches, Motors, Relays, Fuses & Wiring, Page 2 (This page covers: A/C Relays and Switches, HVAC Motors, Relays, and Switches, Relay Covers, Start/Stop Switches, Sunroof Motors and Switches, Window Motors and Relays) ... Blower Motor Assembly - Heater System. Pre-Owned. I was fold to replace the the resistor behind the glove box. P65Warnings.ca.gov Display as a link instead, × C $62.93. Two new front hub assemblies. 17. The Heating Ventilation and Air Conditioning (HVAC) blower motor is located at the top of the airbox under the black cowl cover at the base of the windshield. With the wear in the brush the braided copper brush wire is pretty low and may be coming into contact with things it shouldn't? Re: Root cause insight into the common BMW blower motor resistor failures: Clare Snyder: 3/23/13 8:00 PM Or just get the special tester that is made to plug into the Disconnect the negative battery cable. Good deal! $52.95. F2 (5A) F3 – F4 (5A) Ignition switch control module. To remove the motor cover, pull off the rubber weatherstrip, cut off wire ties holding the wire that runs diagonally across the cover, unscrew and remove the bolts, and pull the cover aside. In this case, the FSR provides a variable voltage to the blower motor to vary the speed. By using this site, you agree to our Terms of Use. im a master bike machanic use to work on cars so im pretty good with electrical stuff. Still get nothing at any blower speed. Thanks, Downhiller! Car is a 1990 325i. I've replaced them on an e32 blower motor, never an e30. Switch temperature 110°C(only for 524td) 22. E30 Technical Forums; General Technical; ... a worn blower motor can overheat your resistor and trip the safety fuse on the resistor (this happened to me); your fan will go back to only working on 4 again and then you either need a new resistor or need to fix the fuse on your current one. E30 Models The blower is accessible by removing the cover at the top of the firewall in the engine compartment. This condition will run down the battery until corrected. Just want to know if there's something else I should be checking before I pull things to get to the resistor and the blower motor. I'm getting power to the switch and switch to motor. So I would like to think I have a dud relay. Touch positive to blue wire connector and negative to ground and the blower motor kicks on. :thumbup: Re OBC-dont know if they're plug & play but honestly I wouldnt bother-they are pretty crap. Hoping to get time to pull the motor later this week and take a look to see if the brushes are the issue. I thought about that as a possibility but in searching forums on this I don't think you can replace them on the e30. Just out of curiousity I tried car in RUN, blower on 4 = nothing. By any chance does anyone know where I can find the "fresh air blower" relay? So, my guess is something jarred loose inside the motor itself. Put this up on R3v but maybe there are electrical gurus here that could weigh in. From United States ... 87-91 BMW E30 Convertible Rear Defrost Blower Motor w Relay.   You cannot paste images directly. The brush is worn down to about 1/16" in the housing near the + connector side, and about 1/8" on the brush in the housing near the - connector side. Is blower motor defininitely shot or could this be a resistor/switch issue? They weren't really meant to be replaced as in I had to bend some metal tabs I think and crimp the wire leads. Is this a common problem in e30's?-The blue AC button glows blue for a split second before the fuse blows. Switch - high pressure pressostat (drier) 21. Pulled the firewall cover and blower motor cover. Top Rated Seller Top Rated Seller. Tried one more experiment. Car update: Indy has it almost ready to get inspected then registered. or Best Offer. (or plug and play), no if you have a 13 button one and it brakes you can get another 13 button one and just plug it in, same with the 6 button one but if you have a 6 button one and want to upgrade to a 13 button one it wont work correctly unless you get the wire hardnes for it, well if your car came with it it is plug and play but if it came with the clock then its toomuch work to put one in. Safety switch looks a little corroded, so possibly the issue. I will be replacing hood strut, antenna, OBC ( 13 button) and other things. If the blower resistor was done should I be getting any voltage reading at all? Dies. × I just replaced the one brush that was sparking. Rear screen wiper relay. Question 2; Does anyone know if the OBC is 'plug and play"--just swapping out the old one for the new ( used) one? The blower motor relay is the electrical switch that is used to supply the power for the vehicle’s blower motor. New Blower Motor For BMW E30 318i 318is 325 325e 325es 325i 325ix 325is M3 Z3. My indy has had the car for about 6 weeks and is working on her in between other jobs since I'm not in any hurry--and the longer he has it, the more money I can save to pay for the repairs! Picked up a blower motor for $60 out of a 98 Z3 from a yard down in Kenosha this evening. BMW SERIES 3 E30 blower motor i have a 86 325es and the blower motor is inop is this the switch the resisteror or the motor. Remove the 2 screws that hold the bundle of wire harnesses to the heater cover. but make sure you only jump the wires on one switch at a time. or Best Offer. My guess is I knocked something loose or broke something, the resistor or something else. The sparking I was seeing when I could get the motor to run by tapping the housing was around the housing at the + connector side. I looked at fuse box diagram in the glove box and it showed the heater blower at fuse 76, but I cannot find fuse locations 75 or 76. Open to suggestions. Tapping on the motor will get it to run for a bit at all speeds but I can see sparking inside the motor. The power input is 12 VDC from the battery (going through a 40 A fuse!) Good deal, thanks for the info. Surprised me! 99 528i: I looked at fuse box diagram in the glove box..heater blower Hi, I have a 99 528i and the blower fan for heat/air quit working. NSKE Blower Motor Assembly HVAC 64111370930 01570012 For BMW E30 318i 318is 325 325e 325es 325i 325ix 325is M3 Z3 BMW OEM Blower Resistor E30 E52 Z3 64 11 6 912 633 318i 318is 325e 325i 325ix M3 ALPINA V8 Z8 Z3 1.9 Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i Z3 M3.2 Blower spins freely by hand. With everything still on I decided to check the connections with the multimeter at the blower motor with the blue and brown wire still connected to the motor and everything live. Started with the switch since I'll have to pull the strut bar and fire system hosing on top of everything else to get to the blower and was hoping for an easier fix. i have a 1989 325i, e-30 convert. https://fusesdiagram.com/bmw/fuses-and-relay-bmw-3-e30.html but make sure you only jump the wires on one switch at a time. agreed. Clear editor. Relay - extra fan stage I (on power distributori 20. BMW 3 Series E30 323i E30 323i 2.3 » 139 hp, from 1982 MY E30 323i 2.3 » 150 hp, from 1983 MY; Heater fan motor for E30 325 E30 325 e 2.7 » 122 hp, from 1983 MY E30 325 e 2.7 » 129 hp, from 1985 MY; BMW 3 Series E30 M3 EVO E30 M3 EVO I 2.3 » 220 hp, from 1988 MY E30 … Powered by Invision Community. very cool! With the blower motor cover exposed, remove the two straps that hold it in place. So far, total new exhaust and cat, complete brake job all around including new brake lines, calipers, rotors, backer plates, the works and hand brake too--new tires going on shortly, new fuel lines, and hopefully then it will at least be able to be inspected, registered and drivable. SOURCE: 89 BMW 325i Relay. F5 It provides airflow over the heater core to generate heat in the winter and over the evaporator to provide air conditioning in the summer. New HVAC Blower Motor Heater System 64111370930 For BMW E30 318i 325i 325e M3 Z3. $25.01. Yes, the hardware drawers at True Value have motor brushes. ... 54FT97M Blower Motor Relay Fits 1987-1995, 2001-2006 BMW 325i (Fits: 1987 BMW 325i) New - Standard Motor Products Blower Motor Relay. I am having some work done to it to make her road worthy. Plan B in case I screw up the brush repair this weekend or if it doesn't solve the problem (local Ace had the brushes for $4.40 each). since it blows when you turn either one on and blows a fuse, i would guess its something close to the switches. it seems dirt and/or corrosion in the terminals is also one way they stop working. the blower fan just started being very noisy in the 3 and 4 on-positions, it sounds like a card that is taped on a bicicle whell that is turning. but since it is electrical, what i would do is pull the controls out of the dash and jump wires and see if they still blow fuses if you jump specific wires. What has me a bit confused is that I'm getting some voltage (around 5 volts) when I test the connections from the hot GN/BR wire to the other wires (YL, BK, GN, BU) at the blower switch connector where I should be getting 12. how do i diagnosis this problem. the odd on/off behavior with testing makes it sound like a weak connection somewhere.
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