90 Integra Starting Issue

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The black/white wire goes from the starter to the starter relay under the dash (becoming blk/red) then (blk/wht again) to the ST terminal on the ignition switch. The starter relay is energized by the clutch interlock (blk/blu) at the clutch pedal.
For some reason, your solenoid isn't being sucked closed by battery current. There are several possible reasons for this. It would help very much for you if you had the EWDs, which are still available at Honda's Techinfo site: https://techinfo.honda.com

I'd like to eliminate the solenoid as the source of the problem, but that will take a bit of patience. Remember that jumper wire you used to test the solenoid? Take that with you everywhere. Next time the key does not make the starter operate, don't try more than two or three times, but use the jumper wire from under the hood instead.
If the starter occasionally does not operate /even with the jumper/, then the solenoid is flaky. If the starter operates with the jumper but not when the key is used, then the ignition switch may be faulty. It's 21-years-old, remember. See this page: <http://www.tegger.com/hondafaq/ignition_switch/index.html
I have to say that 13.5V charge is acceptable, but on the low side for a Denso alternator. I'd be expecting 14V even with all accessories on. Your alternator isn't outputting what it should.
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Tegger

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Tegger, I still need some help with this starting issue. Please see the thread from April, I could not respond to that one.
I am still getting a clicking sound for 3-4 times up to 20-30 times when I go to start the car. I just replaced the alternator, in the past I have replaced the battery, starter, battery cables, ignition switch in the Integra. The dome light does dim, I am getting 14.4v with the car running at the battery, and I have check all of the terminals and grounds for corrosion. When I use a jumper wire from the battery to the starter it seems to start every time.
I am guessing that I have some wires with corrosion in them? Do you have a recommendation on which wire to start with?
This problem is driving me crazy and have cost more than the car is worth! I think it is just a pride thing at this point.
Thank you, Ben
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You never said whether you have an automatic or a manual.
If a manual, there is a starter relay that's tied to the clutch interlock switch. If it goes bad, it will not allow the solenoid to be pulled shut.
***FIRST: PUT THE TRANSMISSION IN NEUTRAL***
Now, to test the relay: Unplug the 4-pin connector, which is under the dash, immediately to the right of the HVAC unit, the smaller relay that's above the cooling fan control unit. Key can remain off for this test. Feed battery voltage directly to the black/red wire at the connector. Does the starter operate?
If so, then the problem is the relay or the ignition switch.
--
Tegger

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