pnw210 Posted April 16, 2017 Report Share Posted April 16, 2017 i hooked up a aftermarket tachometer in my 1981 datsun 210 (b310) i ran the switched power cable into my fuse box in the car. my radio was already hard wired into my fuse box so i went off of what the radios switched power was. But now after 2 drives of the tachometer and my car running fine. My tachometer won't turn on and my radio won't turn on so i figured i blew a fuse so i switched out the fuses and still same problem and my window wipers now won't turn on ?? Quote Link to comment
flatcat19 Posted April 16, 2017 Report Share Posted April 16, 2017 If you remove tach from the equation what happens? Quote Link to comment
datzenmike Posted April 16, 2017 Report Share Posted April 16, 2017 Hold a quarter across the fuse clips. If the wiper comes on the fuse is bad or making bad contact. Same with the radio fuse. Quote Link to comment
pnw210 Posted April 17, 2017 Author Report Share Posted April 17, 2017 i disconnected everything, my radio and tach, and wipers still don't work. So i hooked just my tach up and now when i put in my clutch the tach jumps to 6000 rpms. so now i'm more confused then i was before Quote Link to comment
flatcat19 Posted April 17, 2017 Report Share Posted April 17, 2017 Is your tach set for 4 cylinder operation? Do you own a volt meter? Do you understand automotive electricity? 1 Quote Link to comment
datzenmike Posted April 17, 2017 Report Share Posted April 17, 2017 Disconnect the tach, you may have the wires mixed up. Problem started with wiring the tach in. If the fuses are blown disconnecting the wipers and radio won't fix anything. Hold a quarter across the fuse clips. If the wiper comes on the fuse is bad or making bad contact. Same with the radio fuse. Quote Link to comment
pnw210 Posted April 17, 2017 Author Report Share Posted April 17, 2017 i'm gonna replace all my fuses today see what that does. The tach is set to 4 cylinder. i must have looked at the wrong fuse panel diagram or something. Quote Link to comment
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