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#1
06-10-2006, 04:07 PM
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Electric cooling fan
my Z28 has had a engine swap..and taken old school..but it has a electric cooling fan..the cooling fan doesnt turn on at any temp..........there is a splice on one of the 2 wires and if you touch that to the battery it comes on.....the question is...what controls the fan? the computer ? a thermal-switch?..basically i want to get it working. and i know i could wire in a switch to do it manually ...but i dont want too
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal 
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#2
06-10-2006, 06:06 PM
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Re: Electric cooling fan
one other question where is the fan relay??
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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#3
06-11-2006, 12:38 PM
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Re: Electric cooling fan
guys....i cant drive this until this is fixed...anything would help? what tells the relay to turn the fan on?
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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#4
06-11-2006, 03:19 PM
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Re: Electric cooling fan
The temp sensor
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1994 3.4L Chevrolet Camaro - No more 2006 Hyundai Sonata
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#5
06-11-2006, 03:37 PM
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Re: Electric cooling fan
yes i know.....is the fan controlled by the computer at all?? and where is the relay?
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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#6
06-11-2006, 05:53 PM
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Re: Electric cooling fan
The fan relay is located on the firewall driver side (most of the time)
The ECM does not turn on the fan. There is a temp switch in the engine block on the right side just above the starter. Single green or green with white stripe wire. This is a ground that tells the relay to energize the fan circuit
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#7
06-11-2006, 06:24 PM
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Re: Electric cooling fan
with alot of looking i figured this out.........the pcm has a coolant sensor in the thermostat housing when that gets hot enough the pcm energises the relay which closes the circuit .. energising the fan..............i have a bad relay was my problem
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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#9
06-12-2006, 06:08 PM
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Re: Electric cooling fan
i thought of that...i havnt a clue where to find such a thing..
the computer knows a whole lot mroe than i thought it did....my dad put his scanner on it....and the computer knows the rpms.... coolant temp...vehicle speed tq converter status......alot of thing! i only pulled three trouble codes...im really amazed
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1984 Camaro 5.7L 350 700R4 Holley 650 Cfm Edelbrock Performer Intake-Manifold Crane Cams Duration @ .050": 204/214 Lift:420/442 Summit HEI Distributor Hedman Shorty Headers Hedman Y-pipe Dynomax Turbo cat-back NOS Decal VTEC Decal
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