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Missing Mystery Relay
Hi all,
I've been rooting around in my trunk getting ready to install new H4 headlights in my 87 Carrera. I found a relay base installed on the front bulkhead, close to the front condenser fan (which worked last summer). Its got wires to it, but no actual relay. The wires come from the loom, and look factory. The relay base had the following numbers on it: 3 334 485 008 The wires installed are Heavy gauge wires: Yellow w/ black stripe Red w/ white stripe Lighter gauge wires: brown light gray (jumped to a second terminal, also) Anybody ever seen this before? Thanks Nathan
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87 Carrera Coupe Black on Black, H4 Headlights, Nurburgring Sticker |
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Join Date: Jul 2007
Location: Halifax, Canada
Posts: 1,216
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Ya, I have a relay up there as well, I figured out what it was for but now I forget. Condensor fan relay maybe?
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According to Bentley, the condenser fan relay is #6 on the front fuse/relay panel on my 87.
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87 Carrera Coupe Black on Black, H4 Headlights, Nurburgring Sticker |
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Join Date: Dec 2004
Posts: 770
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Should be the headlight washer relay.
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
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if not sure I'd jump it with engine running
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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headlight washer rly?
I think you nailed it, OSI930. My car does not have headlight washers, which may explain why no relay is installed, but the wire colors leading to the block match the wiring diagram for the "headlight washer control unit" as shown in my Bentley manual.
Thanks all. Nathan
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87 Carrera Coupe Black on Black, H4 Headlights, Nurburgring Sticker |
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Join Date: Jan 2009
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I had the same empty relay port. Got a used relay for the front condenor fan(asked the junkyard to pull the relay by location)
I have put it in but my condensor fan still doesn't work. If I put power to the light grey wire the relay works and hense the fan does. My ac works(compressor kicks on and I get cold air) but the car will not turn on the relay. I am worried that the pressure will get too high in the condensor. |
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Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
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Quote:
Did Porsche delete the (useless) headlight washers for the '87 model year? It was a standard feature on the '86. Cheers, Gerry ![]()
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1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." Last edited by 86 911 Targa; 06-21-2010 at 09:18 AM.. |
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