E.F.JOHNSON
model(s) wire color connection
messenger I

messengerII

hi-z(use an amplified mic only)
Audio white
Ground shield
PTT black
receive red
model(s) wire color connection
messenger 100

messenger 110

messenger 123

hi-z(use an amplified mic only)

Audio audio
Ground ground
PTT relay
receive speaker
model(s) wire color pin number
messenger 223

hi-z(use an amplified mic only)

Audio 1
Ground 4
PTT 3
receive 2
model(s) wire color connection
messenger 351

messenger 111

messenger 300

messenger 320

messenger 323

messenger 323m

hi-z(use an amplified mic only)
Audio white
Ground shield
PTT relay
receive n/c
   
model(s) wire color pin number
messenger 124

messenger 124m

hi-z (use an amplified mic only)
Audio 1
Ground 2
N/C n/c
Common 4
PTT 3
receive n/v
model(s) wire color connection
messenger 120

messenger 121

messenger 210t

messenger 120a

messenger 121a

hi-z(use an amplified mic only) (not compatible with silver eagle plus) (insolate ground)

Audio white
Ground red
PTT blue
receive black
model(s) wire color connection
messenger 4135

messenger 132

messenger 123a

messenger 123b

messenger 123sj

messenger 125

messenger 323a

messenger 4140

messenger 4145

messenger 191

messenger 4120

messenger 4230

viking 200

messenger 122

(not compatible with silver eagle plus)
Audio White
Ground shield
Common red
PTT Blue
receive Black
 
model(s) wire color pin number
messenger 250

hi-z(use an amplified mic only) (not compatible with silver eagle plus)

Audio 1
Ground case
PTT 5
receive 3
model(s) wire color pin number
viking 352

viking 352d

messenger 4740

hi-z(use an amplifeid mic only)

Audio 1
Ground shell
PTT 2
receive n/c
model(s) wire color pin number
messenger 130

messenger 130a

messenger 132

hi-z(use an amplified mic only)

Audio 1
Ground 5
PTT 4
receive n/c
model(s) wire color connection
121a Audio Audio
Ground Ground
PTT Common
receive receive
model(s) wire color pin number
messenger 4170

messenger 4175

viking 260

viking 270

viking 230

viking 430

messenger 40

messenger 80

messenger 50

hi-z(use an amplified mic only) (not compatible with silver eagle plus)

Audio 1
Ground 6
PTT 5
receive 3
 
model(s) wire color pin number
4250

hi-z (use an amplified mic only)

Audio 2
Ground 6
PTT 3
receive n/c
model(s) wire color pin number
messenger 4730

hi-z (use an amplified mic only)

Audio 1
Ground 5
PTT 2
receive n/c