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Old 07-21-2014, 01:43 PM   #11 (permalink)
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Quote:
Originally Posted by dirtydave View Post
Just put the fan on a switch to the dashboard.
That would be a solution, but he said at the beginning of the thread that he did not want to do that. (Might have to, anyway.) Hey, now that you know the wiring and how to turn on/off the fan... why not get the relay and wire it in?

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 07-21-2014, 01:45 PM   #12 (permalink)
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. Ah, dealing with 24 year old economy cars that have been hacked together to keep them running over the years, is there anything I'd rather do with my time?? ha ha
Not me!
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Old 07-25-2014, 05:56 AM   #13 (permalink)
Too many cars
 
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The radiator fan switch should be to the left of the oil pressure switch in your pic. There are some pics in these threads.
CIVIC4G.COM - Honda Civic 4th Generation (1988-1991) Forum
z6 coolant flow diagram - D-series.org
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Old 07-25-2014, 11:27 AM   #14 (permalink)
Cyborg ECU
 
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Quote:
Originally Posted by Gasoline Fumes View Post
The radiator fan switch should be to the left of the oil pressure switch in your pic. There are some pics in these threads.
CIVIC4G.COM - Honda Civic 4th Generation (1988-1991) Forum
z6 coolant flow diagram - D-series.org
Yeah, that's an interesting discussion you linked. The OP there seems to say his D15b block has that port blocked-up. He does not say which D15b he has. He seems also to suggest he has the JDM. Maybe the USDM Civic base model D15b1 has that fitting plugged? Maybe the CX came with the D15b1?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 07-25-2014, 12:15 PM   #15 (permalink)
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Black and Green - '98 Honda Civic DX Coupe
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Oh, and what the hell... here is a guy at Honda Tech suggesting the switch location and wiring harnesses changed from engine to engine across the D15b blocks... also suggests "plugging up" the fan switch port on the block for a guy completing a swap. ... http://honda-tech.com/showpost.php?p...0&postcount=63
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 07-26-2014, 12:53 AM   #16 (permalink)
Too many cars
 
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Here's a pic I took of a D16A6 in an AWD Civic Wagon at the junkyard.
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Old 07-26-2014, 01:18 AM   #17 (permalink)
Too many cars
 
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My D15B2 has the same sensors. I can't understand why some engines wouldn't have the same switch. Maybe some are being broken off while wrestling out an alternator?
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Old 07-26-2014, 02:42 AM   #18 (permalink)
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Well I don't know what to tell y'all. There's no sign of a switch for the fan on the back of the block next to the oil pressure switch, like all the diagrams would have me believe. Someone cut 2 wires off the factory harness at the back of the block that when wired together keep the fan on full time. I don't know what version of the 1.5 my car has, I just know it is a Canadian model '90 CX, which would be equal to a US model STD. So I am guessing it's whatever the most basic model 1.5 you could get was. I am also guessing that the wires were cut at some point because someone else got confused by this whole deal and wired in a switch when they couldn't figure out what was broken. I can't say I blame them.

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