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ELECTRIC FAN ON A15
Home away from home
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2009/10/13 21:28
From Trinidad and tobago
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Hi all i have an A15 and want to install a electric fan, its a 12 inch fan Nissan b11 thermo switch with 2 pins, and a relay an looking for a wiring diagram or could someone point me in a direction, any help would be greatly appreciated..

Posted on: 2018/2/5 1:52
_________________
'71 Four Door Sedan.
A15 Engine + Lighten Flywheel.
E15 Electronic Ignition 32/36 Weber EI Coil 4 into 2 into 1 Extractors 1 3/4 Exhaust Pipe Semi Flow Hotdog 60 series Gearbox H150 Diff.

Street Sleeper!

STILL LIVIN' THE 70'S LIFE !!
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Re: ELECTRIC FAN ON A15
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From 48 North
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Stock A15 fan provides better cooling:
* 12.2" diameter
* always on

But the B11 fan will cool OK, it was used on 1.5 liter E15 engine
* fit the thermo switch in lower radiator hose
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* Power fan with direct connection to battery + and - (use a 10A fuse near the battery)
* an inexpensive 85/86/87/30 relay or a 4-pin Nissan relay
* Switch power on/off using the thermo switch and + wire off the coil 12V (Ignition voltage) -- it won't affect coil since it is a low-current switching signal (the fan itself it powered by battery + )

Attach file:



jpg  ThermoFan.jpg (16.34 KB)
174_5a77e13f47796.jpg 786X478 px

Posted on: 2018/2/5 4:44
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Re: ELECTRIC FAN ON A15
Home away from home
Joined:
2009/10/13 21:28
From Trinidad and tobago
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Were does the other wire that states ignition goes, Does it go to the ignition switch? if so what pin?
not to verse in electrics

Posted on: 2018/2/20 23:05
_________________
'71 Four Door Sedan.
A15 Engine + Lighten Flywheel.
E15 Electronic Ignition 32/36 Weber EI Coil 4 into 2 into 1 Extractors 1 3/4 Exhaust Pipe Semi Flow Hotdog 60 series Gearbox H150 Diff.

Street Sleeper!

STILL LIVIN' THE 70'S LIFE !!
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Re: ELECTRIC FAN ON A15
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Joined:
2001/5/3 7:04
From 48 North
Group:
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Contentmaster
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Posts: 31575
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wire marked IGN can be connected to any wire in the Ignition system. I recommend the Coil + wire (or the 12V + side of the Ballast Resistor) -- because its a handy engine compartment location. The relay steals almost no power from the coil so it's OK to do it

Or, some guys run a new wire to the Fuse Box and connect it to one of the IG terminals
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Posted on: 2018/2/21 5:04
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