Search found 46 matches

by tightwad
Thu Jun 18, 2020 12:25 am
Forum: Operation
Topic: Windows 10
Replies: 5
Views: 9488

I am unable to get Megajolt to get past the launch screen. It worked in the past but doesn't now. Any troubleshooting tips?
by tightwad
Mon Jun 15, 2020 3:45 pm
Forum: Operation
Topic: MAP-sensor going ape?
Replies: 22
Views: 34130

I realize this is over 3 years old but I have the same question regarding the MAP sensor readings being "feast or famine". I realized in reading this that I too took power from the Map sensor for the Bluetooth module. Is there a chance that in doing so I have messed up the ability to use t...
by tightwad
Mon Jun 15, 2020 4:45 am
Forum: Q&A
Topic: Serial API for V3.3.1 firmware
Replies: 9
Views: 46435

Nice work, I have been wanting to dig in more to power a display that can be read in sunlight as I use the V4 on a 32 year old Watercraft. I'd like to include other sensor data as well, so I will be watching what you are able to accomplish. I have done a total of 1 Arduino program...but I want to le...
by tightwad
Mon Jun 08, 2015 6:06 am
Forum: Operation
Topic: Windows 8, software 4.0.2 won't load
Replies: 1
Views: 6694

Windows 8, software 4.0.2 won't load

I recently changed to Windows 8 on my laptop. The software appears to be hanging on the launch screen. I tried downloading a new version and retrying with the same results. Second question...the software has 1 comm port option but my bluetooth setup on the laptop has a port for incoming and one for ...
by tightwad
Tue Jun 03, 2014 6:24 am
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

I ordered 2 of them (because somehow ordering just one didn't make sense...) Shipping was 4x as much as 1 part. Hopefully this is the problem and I will be well on my way to actually tuning AND using the Hard Rev. It is needed because when the watercraft jumps out of the water the overrev can destro...
by tightwad
Mon Jun 02, 2014 4:18 pm
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

Can you provide a part number for a replacement? I can see about sourcing one locally and swapping it, unless you don't feel this is doable on the bench.
by tightwad
Mon Jun 02, 2014 3:58 pm
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

Thanks for the heads up! Can I test the transistor? I can replace it if that is all the problem is, and it would save me time for sure...my Rally is in 2 weeks so I am running short...
by tightwad
Mon Jun 02, 2014 1:59 pm
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

I am a moron. I went to take a picture and discovered I had the ground and trigger lines swapped, not sure how I did that or how I missed it. Oddly enough now I get bizzare voltage readings under cranking but the motor fires. One step closer! I spoke too soon. Once again I am seeing around 8.4 volt...
by tightwad
Thu May 29, 2014 2:53 am
Forum: Hard Rev Limiter
Topic: hard limiter
Replies: 6
Views: 17117

tightwad wrote:Just a bump because I have the same problem. When powered directly I measure cranking voltage at the coil but when powered through the Rev Limiter it cuts another 2 volts out.
I had two connections swapped...the trigger and ground, which cause my voltage drop.
by tightwad
Thu May 29, 2014 2:52 am
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

I am a moron. I went to take a picture and discovered I had the ground and trigger lines swapped, not sure how I did that or how I missed it. Oddly enough now I get bizzare voltage readings under cranking but the motor fires. One step closer!
by tightwad
Thu May 29, 2014 2:50 am
Forum: Operation
Topic: Trying to connect via Bluetooth.
Replies: 78
Views: 386216

When it pairs on mine the led on the bluetooth module goes solid and the connection warnings go away. I lose the pairing when I try to upload a map however...I have to use the PCJolt application to actually write to the chip. I was able to get two bluetooth modules to work with the MJ...only one wor...
by tightwad
Wed May 28, 2014 2:28 am
Forum: Hard Rev Limiter
Topic: hard limiter
Replies: 6
Views: 17117

Just a bump because I have the same problem. When powered directly I measure cranking voltage at the coil but when powered through the Rev Limiter it cuts another 2 volts out.
by tightwad
Wed May 28, 2014 2:09 am
Forum: Hard Rev Limiter
Topic: Voltage Drop under cranking on Coil wire
Replies: 10
Views: 28610

Voltage Drop under cranking on Coil wire

I just installed my MegaJolt with the Hard Rev Limiter board connected. I get a very weak spark. Checking the voltage shows just 8.4V under cranking, with a confirmed 10.7 at the 12V in under cranking. If I power the coil directly the engine fires. I traced the voltage drop all the way to the Rev Li...
by tightwad
Tue May 20, 2014 9:59 pm
Forum: Future Upgrades
Topic: Megajolt Android tuning app
Replies: 104
Views: 2215371

I get an error when trying to connect to the MJ that states I need to select a BT connection. I have already done that and the correct BT module is selected. The BT settings for the tablet show 2 pairings, but the icon is not blue (is it not connected then?)...one is my OBDII and the other is the MJ...
by tightwad
Tue May 20, 2014 4:02 pm
Forum: Future Upgrades
Topic: Configurator software: port to other OS?
Replies: 16
Views: 46707

Are there any updates on this? I am looking to tune my watercraft while on the lake...and Android tablet in a waterproof pouch is about my only viable option.