Possible blow out with fuse A?

[SeaSteve]

I'll look at the schematic in my service manual tomorrow. To be more correct...Fuse #21 will supply 12VDC to to the Accessory "Relay". When you turn the Key to ON or ACC the relay is closed allowing 12VDC to the radio, the ACC Terminals via fuse #6, AND anything else Honda considers accessory. (I'm not saying there is any other "accessory", I just don't know.)

The part in the OP's description that worries me is the clock not working. 12VDC must be available all the time to keep the clock working. The voltage won't come from the accessory relay and won't be switched on and off with the key.

I would start by checking each installed fuse in the Fuse box. sometimes fuses fail but you can't see it visually. If you don't have a cheap $10 multimeter, buy one at an Autoparts store.
1. Turn the Key to ON.
2. Set the multimeter to 12V or higher "DC" not AC. You should see a "V" on the dial somewhere with "DC" or straight lines and not a tilde "~" wavy line. Each meter is different.
3. To test the multimeter, You should ALWAYS get 12VDC if you touch EITHER side of a good fuse with the RED lead and touch the bottom (-) terminal of the ACC Terminal with the Black lead.
4. Touch both multimeter lead tip to the exposed metal on EACH side of EACH fuse. It doesn't matter which side is touched with which Red/Black lead.
5. If you get NO reading the fuse is good...Or "shorted" and not dropping voltage. If it's open/blown you will see 12VDC (Red/Black correct) or -12VDC (Red/Black reversed). Again your just looking for any voltage reading.

[rdbonds]

SeaSteve - I agree with systematically testing all fuses as you've recommended.

You're absolutely correct regarding fuse 6 feeding that ACC relay, which then feeds ACC term via fuse 6. I suspected fuse 21, since OP also noted that he lost his audio system, and the ACC relay fed by fuse 21 feeds both. My copy of the manual is from a Full Wing, but I attached the page I think you're referring to below, sir.

Now that you mention that OP also lost his clock, and that it's constant (non-switched) 12v, I'm beginning to suspect fuse 22. According to the fuse map in my copy of the manual (2nd screen cap below) that is the constant 12v supply to the clock. I agree, though, that checking all fuses is a good next step.

Kind Regards.

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