Hi how to check if the fan relay is faulty see botom reply
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Thread: How Can You Check:fan Relay
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Monday 4th April 2005, 20:47 #1Senior Member
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How Can You Check:fan Relay
Last edited by rich850t5; Wednesday 4th May 2005 at 20:44.
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)
"HELLO"from"RICH" 
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Monday 4th April 2005, 22:55 #2Shiny Superstar
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Best idea is to buy a new one and replace it? Thermocouple could be busted?
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Tuesday 5th April 2005, 09:48 #3Senior Member
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Thanked 0 Times in 0 PostsCan't you just take the multi-plug (thermostatic temp switch?) off the fan and arc the contacts with a paper-clip? Mind your fingers though...
Originally Posted by rich850t5
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Tuesday 5th April 2005, 17:43 #4Senior Member
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Thanked 0 Times in 0 Postsyeah done that for now but had to use 30amp cable as the smaller connector melted Originally Posted by nikgallagher
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)"HELLO"from"RICH"
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Tuesday 5th April 2005, 17:48 #5Senior Member
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ERR i had thought of that one dave,what i wanted to know was are there any other temp sensors that might have gone? Originally Posted by dave850R
Didn't want to waste money on relay if the relay is working!
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)"HELLO"from"RICH"
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Tuesday 19th April 2005, 18:06 #6Senior Member
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OK Just an update,I have an 87deg thermostat,If i put an earth to the middle pins on the relay the fan works,so i still need to know where the sender/sensor unit is on the engine block Originally Posted by rich850t5
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)"HELLO"from"RICH"
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Wednesday 27th April 2005, 21:15 #7Senior Member
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Thanked 0 Times in 0 PostsTHANKS EVERY ONE I WORKED IT OUT IN THE END (so much for the experts on here)
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)"HELLO"from"RICH"
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Thursday 28th April 2005, 00:05 #8Shiny Superstar
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Thursday 28th April 2005, 09:13 #9Senior Member
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Ok so I'm nearly a month late but i can't remember seeing this thread before.
If anyone wants to check a relay in the future pm me with your email address and i'll send you a sheet on how to check all of the pins.
I've tried attaching the sheet, but it's too large and the system doesn't like it!
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Wednesday 4th May 2005, 20:42 #10Senior Member
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Thanked 0 Times in 0 PostsQuite simple in the end-on the relay there are 3 plugs/connectors taking out the middle plug you will see 2 pins,attach a wire to the earth terminal on the battery and then you can then earth out the 2 pins one is for slow speed(whan you switch off and fan keeps working)the other is the high speed fan if your fan works when you earth out the pins your relay is working! Originally Posted by dave850R
850T5-96-CD-AUTO-SALOON-mbc-drilled airbox-d/v-cbv removed and blanked off-acc rod 3 turns-21psi boost-std ecu(for now) K+N panel filter-1/4 ml times (waiting to get a time)"HELLO"from"RICH"
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