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90 crx si cluster wiring issues

Discussion in 'HYBRID -> ED-EF / DA' started by c-rex-beat, Nov 8, 2009.

  1. c-rex-beat

    c-rex-beat yeah, it's a vtec.

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    I have a 90 si and I think the dash and harness for cluster is from an hf. I just put this car together and tach don't work. I refrenced the plugs and wiring didn't match for an si. I do have the small blue plug in center and learned it was for a hf. what would be the best route to get everything functional?
     
  2. phyregod

    phyregod !!YTINASNI

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    Pics are wire locations for a 90/91

    The 88/89 are different.


    Link will help if you have a 88/89 cluster or harness in the mix.. http://crxcommunity.com/viewtopic.php?t=6184
     

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    Last edited: Nov 8, 2009
  3. c-rex-beat

    c-rex-beat yeah, it's a vtec.

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    I tried all 4 diagrams and E&F worked best but not 100* I am curious as to what the blue plug is for. (c711) my book says HF only. I have a socket for it in rear of cluster and also on harness. The car is a Si which shouldn't have one according to my book. WTF is the blue 5-wire plug for?
     
  4. 91civisedaner

    91civisedaner Senior Citizen

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    All i know is the HF cluster redlines at 5-5.5K
     
  5. jlicrx

    jlicrx Senior Member

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    economy driving (shift) light on the HF
     
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