1991 Civic Tachometer Problem

before you worry about the igniter, take out the cluster and remake the connections. my high mileage crx had this problem. a thump on the dash would fix it, but the problem went away completely when i stripped and reassembled. it's 4 screws for the cover and 4 for the cluster. maybe

can you please elaborate about "remaking the connections". I took the cover off last night and unplugged and replugged the two large clips and with no avail. I guess today i will fully remove the cluster and try to install again. Any other suggestions?

i like your sn btw...

and remake the

does thumping the dash bring it back to life? if so, it's a loose connection and you need to hunt that down. if you've already done the plug thing, try again after full removal - just be sure it's all clean in there. the next thing to try is checking the wiring loom earth for the cluster - there's a tab screwed to the frame under the steering wheel.

if all that doesn't do it, then yes, check into the igniter unit. apparently, fluctuating rpm is a symptom as reported by others. i've had a couple of igniters fail, but neither gave those symptoms, so i'm not promising anything...

and remake the

Dead tach= ignitor. Fluctuating tach= replace tach. Per my Honda tech. bob

"N.E.Ohio Bob" wrote in news:456440dd$0$7001$ snipped-for-privacy@roadrunner.com:

Before you do that though...

Nobody suggested to the OP to check the blue wire coming out of the distributor. This can crack internally, resulting in intermittent loss of contact, and a fluctuating tach needle.