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Discussion Starter #1
I have a HKS Turbo Timer Type-1 Installed. I used the HKS Turbo Timer harness and did the following:
Grey wire to Brake Cable - Turbo Timer tested and works.
Brown wire (RPM) - Spliced into Terminal 7 of the ECU
Blue wire (Speed) - Spliced into Terminal 53 of the ECU

Now here where the issues comes up, the Turbo Timer works just fine, except the extra features (Speed/RPM).

The Speed reads fine, upto about 20km/h and then Im doing 80km/h and it reads like 30km/h - And yes, its km/h not the mph setting.

The RPM (r/min) reads 0 at all times.

Any suggestions?

Thanks!
 

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I am curious about this also, I have the same system, everything works fine except the RPM read out which says I am turning 1900 RPM's at idle. Really didn't worry about it to much, just curious now that this thread has been started.
 

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Solution:
1. The Speed needs to be calibrated. Even though the instructions dont tell you how..
You need to get into setting mode in speed, scroll left/right to the 20km/h and then click it once. Get to 20km/h then click it again and its calibrated.
2. The Brown wire, splices into the THIRD wire up from that section. Not the fourth. The fourth wire is actually in the 5th whole up (Terminal 6). But it looks like Terminal 7 because Terminal 8 is blank (no wires). You have to calibrate the rpms to 2000rpm similar to speed.

Enjoy.
 
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