Thread: Boost Gauge install
01-03-2010, 04:43 PM #1
Boost Gauge install
I just bought a new dynotune boost guage. Is there anything i need to buy like boost line ect ect or does everything needed come with it?
01-03-2010, 04:45 PM #2
That totally depends on where you plan to mount the transducer You might want to get a relay, along with a fuse holder for the electrical part of it
01-03-2010, 04:55 PM #3
Im going off the intercooler block off. I didnt think about a fuse holder, but why a relay though lol havent installed one befor.
01-03-2010, 05:17 PM #4
I installed a relay to power additional electronics when the key is plugged in. The relay basically uses a signal wire from the MPEM, and the power to provide the gauges comes from the battery... not MPEM power.
01-03-2010, 06:43 PM #5
Did you do a write up on how you did the install?
01-03-2010, 06:48 PM #6
No... but I can draw you up a little wiring diagram, just a second
01-03-2010, 06:58 PM #7
Bosch SPDT relay wiring:
30: Battery + (fused)
85: Battery - & gauge -
87: Gauge +
86: 12vdc trigger wire from MPEM (purple wire)
87A: Not used
01-03-2010, 09:47 PM #8
does anyone know what it means when it flashes 7.4...
01-03-2010, 09:49 PM #9
01-03-2010, 09:56 PM #10
i have the instructions at the shop it was working ..but when we first went out it was flashing 7.5 ..i am thinking that is the warm up cycle...when you first start it the o2 guage ..is heated it was really cold out...so wondering if that is all it was ..it just took a bit to get hot enough to work...then it was working just fine
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