Starting trouble when cold

[Proto155]

I tried searching but it pulled up too many topics not relevant to what I’ve been experiencing. So, I’ve been having an issue with my 1994 FZJ having trouble starting when it’s cold. I turn the key and the dash lights up but nothing happens. Eventually it kicks over and runs fine after that. I live in Lake Tahoe so it gets down below freezing quite often, and it seems to be getting worse. I’ve replaced the battery and the starter as well as power and ground cables in the last 6 months. Im reading 12.5 volts at the battery. I’ve also done a parasitic draw test and I’m showing 30 milliamps which should be good for a normal system. My next thoughts are maybe fuse able links or something with the gear selector/neutral safety switch. Anyone insight from someone who has been in a similar situation would be greatly appreciated.

 

[jonheld]

I tried searching but it pulled up too many topics not relevant to what I’ve been experiencing. So, I’ve been having an issue with my 1994 FZJ having trouble starting when it’s cold. I turn the key and the dash lights up but nothing happens. Eventually it kicks over and runs fine after that. I live in Lake Tahoe so it gets down below freezing quite often, and it seems to be getting worse. I’ve replaced the battery and the starter as well as power and ground cables in the last 6 months. Im reading 12.5 volts at the battery. I’ve also done a parasitic draw test and I’m showing 30 milliamps which should be good for a normal system. My next thoughts are maybe fuse able links or something with the gear selector/neutral safety switch. Anyone insight from someone who has been in a similar situation would be greatly appreciated.

The starter logic circuit is pretty simple:
Starter logic (small push-on connector): Battery positive/FL AM1/fuse AM1/ignition switch/NSS/starter solenoid.
Starter power (terminal lug): direct connection to battery positive.
Starter ground is through the case that is bolted to the bellhousing.

Verify voltage to the starter logic terminal when trying to crank. If faulty, trace backwards.

 

[Proto155]

The starter logic circuit is pretty simple:
Starter logic (small push-on connector): Battery positive/FL AM1/fuse AM1/ignition switch/NSS/starter solenoid.
Starter power (terminal lug): direct connection to battery positive.
Starter ground is through the case that is bolted to the bellhousing.

Verify voltage to the starter logic terminal when trying to crank. If faulty, trace backwards.

Is the starter logic terminal the clip on the top of the starter?

 

[george_tlc]

yes

 

[jonheld]

Is the starter logic terminal the clip on the top of the starter?

Starter logic (small push-on connector)

 

[jonheld]

Is the starter logic terminal the clip on the top of the starter?

 

[efjayatee]

I use this for hard starting due to parasitic draws

https://www.amazon.com/dp/B0GXP4JYKJ?tag=ihco-20